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INTEGRATED CIRCUITS
DATA SHEET
TEA6845AH; TEA6845H New In Car Entertainment (NICE) car radio
Product specification File under Integrated Circuits, IC01 2001 Apr 12
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
CONTENTS 1 2 3 4 5 6 7 7.1 7.1.1 7.1.2 7.1.3 7.2 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.3 7.3.1 7.3.2 7.3.3 7.3.4 7.3.5 7.3.6 7.4 8 9 10 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION QUICK REFERENCE DATA BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Oscillators VCO Crystal oscillator PLL FM signal channel DAA FM I/Q mixer FM keyed AGC FM IF amplifiers FM demodulator AM signal channel AM tuner including mixer 1 and mixer 2 AM RF AGC and IF2 AGC AM detector AM AF or IF2 switch AM noise detector and blanker FM and AM level detector Test mode LIMITING VALUES THERMAL CHARACTERISTICS DC CHARACTERISTICS 11 12 12.1 12.1.1 12.1.2 12.1.3 12.1.4 12.2 12.2.1 12.2.2 12.2.3 12.2.4 12.2.5 12.2.6 12.2.7 12.2.8 13 14 15 15.1 15.2 15.3 15.4 15.5 16 17 18 19
TEA6845AH; TEA6845H
AC CHARACTERISTICS I2C-BUS PROTOCOL I2C-bus specification Test mode Data transfer for the TEA6845 I2C-bus pull-up resistors Frequency setting I2C-bus protocol Data transfer mode and IC address Write mode: data byte 1 Write mode: data byte 2 Write mode: data byte 3 Write mode: data byte 4 Write mode: data byte 5 Write mode: data byte 6 Read mode: data byte 1 TEST AND APPLICATION INFORMATION PACKAGE OUTLINES SOLDERING Introduction to soldering surface mount packages Reflow soldering Wave soldering Manual soldering Suitability of surface mount IC packages for wave and reflow soldering methods DATA SHEET STATUS DEFINITIONS DISCLAIMERS PURCHASE OF PHILIPS I2C COMPONENTS
2001 Apr 12
2
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
1 FEATURES
TEA6845AH; TEA6845H
* FM mixer for conversion of FM RF from 65 to 108 MHz to IF of 10.7 MHz; the mixer provides inherent image rejection * FM RF mixer can be set to receive weather band radio up to 162.55 MHz; weather band radio flag output * AM mixer 1 for conversion of AM RF to AM IF1 of 10.7 MHz * LC tuner oscillator providing mixer frequencies for FM mixer and AM mixer 1 * AM mixer 2 for conversion of AM IF1 to AM IF2 of 450 kHz * Crystal oscillator providing mixer frequencies for AM mixer 2 and reference for synthesizer PLL, IF count, timing for Radio Data System (RDS) update and reference frequency for car audio signal processor ICs * Fast synthesizer PLL tuning system with local control for inaudible RDS updating * Timing function for RDS update algorithm and control signal output for car audio signal processor ICs (TEA688x, SAA77xx) or car radio integrated signal processor IC (TEF6890H) * Digital auto alignment circuit for conversion of LC oscillator tuning voltage to controlled alignment voltage of FM antenna tank circuit * AGC PIN diode drive circuit for FM RF AGC; AGC detection at FM mixer input; the AGC PIN diode drive can be activated by the I2C-bus as a local or distance function; AGC threshold is a programmable and keyed function switchable via the I2C-bus * FM IF linear amplifiers with high dynamic input range * FM quadrature demodulator with automatic centre frequency adjustment and Total Harmonic Distortion (THD) compensation 3 ORDERING INFORMATION TYPE NUMBER TEA6845AH TEA6845H PACKAGE NAME QFP64 QFP64 DESCRIPTION plastic quad flat package; 64 leads (lead length 1.95 mm); body 14 x 20 x 2.8 mm plastic quad flat package; 64 leads (lead length 1.95 mm); body 14 x 20 x 2.8 mm VERSION SOT319-5 SOT319-2 * Level detector for AM and FM with temperature compensated output voltage; starting point and slope of level output is programmable via the I2C-bus * AM RF PIN diode drive circuit; AGC threshold detection at AM mixer 1 and IF2 AGC input; threshold is programmable via the I2C-bus; AM IF2 AGC and demodulator * AM AF output switchable to provide AM IF2 for AM stereo decoder * AM noise blanker with blanking at AM IF2 * Several test modes available for fast IC and system tests. 2 GENERAL DESCRIPTION
The TEA6845 is a single IC with car radio tuner for AM and FM intended for microcontroller tuning with the I2C-bus. It provides the following functions: * AM double conversion receiver for LW, MW and SW (31 m, 41 m and 49 m bands) with IF1 = 10.7 MHz and IF2 = 450 kHz * FM single conversion receiver with integrated image rejection for IF = 10.7 MHz capable of selecting US FM, US weather, Europe FM, East Europe FM and Japan FM bands.
2001 Apr 12
3
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
4 QUICK REFERENCE DATA SYMBOL VDDA(n) IDDA(tot) VDDA2 IDDA2 VDDD IDDD fAM(ant) PARAMETER analog supply voltage 1, 3, 4, 5 and 6 total analog supply current 1, 3, 4, FM mode 5 and 6 AM mode analog supply voltage 2 analog supply current 2 digital supply voltage digital supply current AM input frequency FM mode AM mode LW MW SW fFM(ant) fFM(WB)(ant) Tamb (S+N)/N THD FM input frequency FM weather band input frequency ambient temperature FM mode AM mode CONDITIONS
TEA6845AH; TEA6845H
MIN. 8 45 39 4.75 6.5 4.7 4.75 18 18 0.144 0.522 5.85 65 162.4 -40
TYP. 8.5 56 49 5 8.1 5.9 5 23 23 - - - - - - 58 0.3 0.5
MAX. 9 67 59 5.25 9.8 7.1 5.25 28 28 0.288 1.710 9.99 108 162.55 +85 - - - - 1
UNIT V mA mA V mA mA V mA mA MHz MHz MHz MHz MHz C dB % %
AM overall system parameters (1 x SFE10.7MS3; 1 x SFR450H) signal plus noise-to-noise ratio total harmonic distortion m = 0.3 m = 0.8 m = 0.9 FM overall system parameters (3 x SFE10.7MS3) (S+N)/N THD signal plus noise-to-noise ratio total harmonic distortion f = 22.5 kHz; de-emphasis = 50 s f = 75 kHz - - 65 0.6 dB % - - -
2001 Apr 12
4
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DAAIN 33 Vtune CPOUT 34 35 VDDA4 36 fref 37 VDDD 38 39 DAATD DAAOUT 32 31 ANTENNA DAA TUNING SYSTEM AM 10.25 MHz I2C-bus T1FMAGC T2FMAGC IFMAGC 30 29 28 FM AGC WX FM IF AM IF2 IF COUNT I2C-BUS 2 ms/20 ms 52 SDA 53 SCL 54 IF2GND QDET1 VCO FMMIXIN2 RFGND FMMIXIN1 27 26 25 FM I/Q MIXER
5
Philips Semiconductors
New In Car Entertainment (NICE) car radio
BLOCK DIAGRAM
DGND
OSCFDB
VDDA3
AFHOLD AFSAMPLE
AMAFIF2 RDSMPX FMMPX 47 48 49 VDDA2 VDDA1 50 51
VCOGND OSCTNK 40 41 42 43
TRDSMUTE 45 46
44
SEQUENTIAL CIRCUIT FOR RDS UPDATING
AM DETECTOR
MUTE
POWER SUPPLY
x
TEA6845AH TEA6845H
N1
55 AM IF AGC LEVEL DAA DEMODULATOR 56
/2
90 57
QDET2
handbook, full pagewidth
5
Vref(FMMIX) 24 90 AM-NOISE DETECTOR PEAK/ AVERAGE BLANK PULSE AM LEVEL
CAFC
58 Vlevel
59 IAMAGC T2AMAGC T1AMAGC 23 22 21 AM RF AGC N2
/5/10
AM MIXER2
x
FM LIMITER/ LEVEL
XTAL1 XTALGND
CRYSTAL OSCILLATOR
60 61 62
TEA6845AH; TEA6845H
XTAL2 Iref
AMMIX1IN1
20
AM MIXER 1
x
IFAMP1
IFAMP2 63 64 AMMIX2OUT1 AMMIX2OUT2
19 AMMIX1IN2
18
17
16
15 14 IFAMP1DEC
13
12 IFAMP1OUT
11
10 Coffset
9
8 IF1GND
7
6
5
4
3 FMLIMIN
2
1
MGU350
Product specification
MIX1OUT2
IFAMP1IN
CAGC
VDDA5
MIX1OUT1
VDDA6
IFAMP2DEC
IFAMP2IN
AMIF2IN AMNBHOLD
AMIF2DEC
FMLIMDEC
IFAMP2OUT
Fig.1 Block diagram.
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
6 PINNING SYMBOL CAGC FMLIMDEC FMLIMIN AMIF2DEC IFAMP2OUT AMNBHOLD AMIF2IN IF1GND IFAMP2IN Coffset IFAMP2DEC IFAMP1OUT IFAMP1IN VDDA6 IFAMP1DEC MIX1OUT1 MIX1OUT2 VDDA5 AMMIX1IN2 AMMIX1IN1 T1AMAGC T2AMAGC IAMAGC Vref(FMMIX) FMMIXIN1 RFGND FMMIXIN2 IFMAGC T2FMAGC T1FMAGC DAAOUT DAATD DAAIN Vtune CPOUT VDDA4 fref VDDD DGND VCOGND 2001 Apr 12 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 AMIFAGC capacitor FM limiter decoupling FM limiter input (10.7 MHz) decoupling for AM IF2 input IF amplifier 2 output (10.7 MHz) AM noise blanker hold output
TEA6845AH; TEA6845H
DESCRIPTION
AM IF2 input (450 kHz) for demodulator AGC and AM level detector AM IF1 ground IF amplifier 2 input (10.7 MHz) DC feedback for offset compensation RDS mute IF amplifier 2 decoupling and AGC capacitor for AM noise blanker IF amplifier 1 output (10.7 MHz) IF amplifier 1 and AM mixer 2 input (10.7 MHz) analog supply voltage 6 (8.5 V) for IF amplifier 1 and 2 AM mixer 2 and FM IF amplifier 1 decoupling FM mixer and AM mixer 1 IF output high (10.7 MHz) FM mixer and AM mixer 1 IF output low (10.7 MHz) analog supply voltage 5 (8.5 V) for FM mixer and AM mixer 1 AM mixer 1 input 2 AM mixer 1 input 1 1st time constant output of AM front-end AGC 2nd time constant of AM front-end AGC PIN diode drive current output of AM front-end AGC reference voltage for FM mixer input 1 of FM RF mixer RF ground input 2 of FM RF mixer PIN diode drive current output of FM front-end AGC 2nd time constant of FM front-end AGC 1st time constant of FM front-end AGC output of digital alignment circuit for antenna tank circuit temperature compensation diode of digital auto alignment circuit for antenna tank circuit input of digital auto alignment circuit for antenna tank circuit tuning voltage charge pump output analog supply voltage 4 (8.5 V) for tuning PLL reference frequency output for signal processor IC digital supply voltage (5 V) digital ground VCO ground 6
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL OSCFDB OSCTNK VDDA3 AFSAMPLE AFHOLD TRDSMUTE AMAFIF2 RDSMPX FMMPX VDDA2 VDDA1 SDA SCL IF2GND QDET1 QDET2 CAFC Vlevel XTAL1 XTALGND XTAL2 Iref AMMIX2OUT1 AMMIX2OUT2
PIN 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 VCO feedback VCO tank circuit
DESCRIPTION
analog supply voltage 3 (8.5 V) for VCO AF sample flag output for car audio signal processor IC AF hold flag output for car audio signal processor IC time constant for RDS update mute AM demodulator AF output or IF2 output for AM stereo (multiplexed by I2C-bus) MPX output for RDS decoder and signal processor (not muted) FM demodulator MPX output analog supply voltage 2 (5 V) for on-chip power supply analog supply voltage 1 (8.5 V) for on-chip power supply I2C-bus data line input and output I2C-bus clock line input AM IF2 ground quadrature demodulator tank 1 quadrature demodulator tank 2 FM demodulator AFC capacitor level voltage output for AM and FM crystal oscillator 1 crystal oscillator ground crystal oscillator 2 reference current for power supply AM mixer 2 output 1 (450 kHz) AM mixer 2 output 2 (450 kHz)
2001 Apr 12
7
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth
63 AMMIX2OUT1
64 AMMIX2OUT2
60 XTALGND
54 IF2GND
56 QDET2
55 QDET1
61 XTAL2
59 XTAL1
57 CAFC
58 Vlevel
52 SDA
53 SCL
62 Iref
CAGC FMLIMDEC FMLIMIN AMIF2DEC IFAMP2OUT AMNBHOLD AMIF2IN IF1GND IFAMP2IN
1 2 3 4 5 6 7 8 9
51 VDDA1 50 VDDA2 49 FMMPX 48 RDSMPX 47 AMAFIF2 46 TRDSMUTE 45 AFHOLD 44 AFSAMPLE 43 VDDA3
Coffset 10 IFAMP2DEC 11 IFAMP1OUT 12 IFAMP1IN 13 VDDA6 14 IFAMP1DEC 15 MIX1OUT1 16 MIX1OUT2 17 VDDA5 18 AMMIX1IN2 19
AMMIX1IN1 20 T1AMAGC 21 T2AMAGC 22 IAMAGC 23 Vref(FMMIX) 24
TEA6845AH TEA6845H
42 OSCTNK 41 OSCFDB 40 VCOGND 39 DGND 38 VDDD 37 fref 36 VDDA4 35 CPOUT 34 Vtune 33 DAAIN
FMMIXIN1 25
RFGND 26
FMMIXIN2 27
IFMAGC 28
T2FMAGC 29
T1FMAGC 30
DAAOUT 31
DAATD 32
MHB877
Fig.2 Pin configuration.
2001 Apr 12
8
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
7 7.1 7.1.1 FUNCTIONAL DESCRIPTION Oscillators VCO
TEA6845AH; TEA6845H
It includes an AGC PIN diode drive circuit for the FM RF AGC. The PIN diode drive can be activated via the I2C-bus as a local or distance function. The AGC threshold is programmable and the keyed AGC function is switchable via the I2C-bus. 7.2.4 FM IF AMPLIFIERS
The L and C tuned VCO provides the local oscillator signal for both FM and AM mixer 1. It has a frequency range of 151.2 to 248.2 MHz. 7.1.2 CRYSTAL OSCILLATOR
The two FM IF amplifiers provide 10 dB and 4 dB amplification with high linearity and dynamic range. 7.2.5 FM DEMODULATOR
The crystal oscillator provides a 20.5 MHz signal that is used for: * Reference frequency for frequency synthesizer PLL * Local oscillator for AM mixer 2 * Reference frequency for the IF counter * Timing signal for the RDS update algorithm * Reference frequency (75.4 kHz) for the TEA6880H (car audio signal processor - CASP) or TEF6890H (car radio integrated signal processor). 7.1.3 PLL
The FM quadrature demodulator includes automatic centre frequency adjustment and THD compensation. 7.3 7.3.1 AM signal channel AM TUNER INCLUDING MIXER 1 AND MIXER 2
The AM tuner is realized in a double conversion technique and is capable of selecting LW, MW and SW bands. AM mixer 1 converts AM RF to IF1 of 10.7 MHz, while AM mixer 2 converts IF1 of 10.7 MHz to IF2 of 450 kHz: * LW = 144 to 288 kHz * MW = 530 to 1710 kHz (US AM band) * SW = 5.85 to 9.99 MHz (including the 31 m, 41 m and 49 m bands). 7.3.2 AM RF AGC AND IF2 AGC
Fast synthesizer PLL tuning system with local control for inaudible RDS updating. 7.2 7.2.1 FM signal channel DAA
FM RF Digital Auto Alignment (DAA) circuitry for the conversion of the VCO tuning voltage to a controlled alignment voltage for the FM antenna tank circuit. 7.2.2 FM I/Q MIXER
The AM RF includes a PIN diode drive circuit. The threshold detection points for AM AGC are performed at AM mixer 1 and AM IF2. AGC thresholds are programmable via the I2C-bus. 7.3.3 AM DETECTOR
FM quadrature mixer converts FM RF (65 to 162.55 MHz) to IF of 10.7 MHz. The FM mixer provides inherent image rejection and high RF sensitivity. It is capable of tuning the US FM, US weather, Europe FM, Japan FM and East Europe FM bands: * US FM = 87.9 to 107.9 MHz * US weather FM = 162.4 to 162.55 MHz * Europe FM = 87.5 to 108 MHz * Japan FM = 76.0 to 91 MHz * East Europe FM = 65.8 to 74 MHz. 7.2.3 FM KEYED AGC
The AM detector provides AM level information and AM AF or AM IF2. 7.3.4 AM AF OR IF2 SWITCH
The AM output provides either a detected AM AF or the corresponding AM IF2 signal. The IF2 signal can be used for AM stereo decoder processing.
FM contains keyed wide-band RF AGC. AGC detection occurs at the FM mixer. The wide-band RF signal switches a narrow band signal (IF) from the FM IF level detector circuitry that controls the FM RF AGC block. 2001 Apr 12 9
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
7.3.5 AM NOISE DETECTOR AND BLANKER
TEA6845AH; TEA6845H
If the test mode is enabled by pin fref: * The settling time of the AM IF2 AGC is reduced to less than 100 ms in the nominal application * The digital-to-analog converters for the antenna DAA and the level DAA can be clocked directly by the SCL line of the I2C-bus * The output at pin fref can be selected by the I2C-bus: TEA6880H or TEF6890H reference frequency, PLL reference frequency or PLL programmable divider output frequency * The RDS update control circuit can be clocked directly via pin DAATD * Pin T1AMAGC can be used to enable the load PLL circuit of the RDS update control circuit * Charge pumps can be set into 3-state mode.
The detection point for the AM noise blanker is the output stage of AM mixer 1, while blanking is realized at the output of the mixer 2. Trigger sensitivity can be modified by changing the resistor value at pin AMNBHOLD. 7.3.6 FM AND AM LEVEL DETECTOR
FM and AM level detectors provide the temperature compensated output voltage. The starting points and slopes of the level detector outputs are programmable via the I2C-bus. 7.4 Test mode
The test mode of the IC is activated by: * Sending the test byte (byte 5) to the IC * Connecting pin fref through a 100 k resistor to VDDA1 * Applying 50 A to pin fref.
8 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL VDDA1 VDDA2 VDDA3 VDDA4 VDDA5 VDDA6 VDDD PARAMETER analog supply voltage 1 for on-chip power supply analog supply voltage 2 for on-chip power supply analog supply voltage 3 for VCO analog supply voltage 4 for tuning PLL analog supply voltage 5 for FM and AM RF analog supply voltage 6 for IF amplifier 1 and 2 digital supply voltage note 1 CONDITIONS MIN. -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -55 -40 note 2 note 3 Notes 1. To avoid damages and wrong operation it is necessary to keep all 8.5 V supply voltages at a higher level than any 5 V supply voltage. This is also necessary during power-on and power-down sequences. Precautions have to be provided in such a way that interferences can not pull down the 8.5 V supply below the 5 V supply. 2. Machine model (R = 0 , C = 200 pF). 3. Human body model (R = 1.5 k, C = 100 pF). -200 -2000 MAX. +10 +6.5 +10 +10 +10 +10 +6.5 - +150 +85 +200 +2000 V V V V V V V V C C V V UNIT
VDD8.5-DD5 difference between any 8.5 V supply voltage and any 5 V supply voltage Tstg Tamb Ves storage temperature ambient temperature electrostatic handling voltage
2001 Apr 12
10
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
9 THERMAL CHARACTERISTICS PARAMETER thermal resistance from junction to ambient TEA6845AH TEA6845H
TEA6845AH; TEA6845H
SYMBOL Rth(j-a)
CONDITIONS in free air
VALUE 46 48
UNIT K/W K/W
10 DC CHARACTERISTICS VDDA1 = VDDA3 = VDDA4 = VDDA5 = VDDA6 = 8.5 V; VDDA2 = 5 V; VDDD = 5 V; Tamb = 25 C; unless otherwise specified. SYMBOL Supply voltage VDDA(n) VDDA2 VDDD IDDD IDDA1 IDDA2 IDDA3 IDDA4 IDDA5 IDDA6 IMIX1OUT1 IMIX1OUT2 IDDD IDDA1 IDDA2 IDDA3 IDDA4 IDDA5 IMIX1OUT1 IMIX1OUT2 analog supply voltage 1, 3, 4, 5 and 6 analog supply voltage 2 digital supply voltage 8 4.75 4.75 8.5 5 5 9 5.25 5.25 V V V PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supply current in FM mode digital supply current analog supply current 1 for on-chip power supply analog supply current 2 for on-chip power supply analog supply current 3 for VCO analog supply current 4 for tuning PLL analog supply current 5 for FM RF analog supply current 6 for FM IF amplifier 1 and 2 bias current of FM mixer output 1 bias current of FM mixer output 2 test mode; bit TMS3 = 1 18 - 6.5 - - - 10 4.8 4.8 23 15 8.1 6.5 2.9 5 12 6 6 28 - 9.8 - - - 14 7.2 7.2 mA mA mA mA mA mA mA mA mA
Supply current in AM mode digital supply current analog supply current 1 for on-chip power supply analog supply current 2 for on-chip power supply analog supply current 3 for VCO analog supply current 4 for tuning PLL analog supply current 5 for RF bias current of AM mixer 1 output 1 bias current of AM mixer 1 output 2 test mode; bit TMS3 = 1 18 - 4.7 - - - 4.8 4.8 3.6 3.6 23 17.5 5.9 6.5 1.6 1.8 6 6 4.5 4.5 28 - 7.1 - - - 7.2 7.2 5.4 5.4 mA mA mA mA mA mA mA mA mA mA
IAMMIX2OUT1 bias current of AM mixer 2 output 1 IAMMIX2OUT2 bias current of AM mixer 2 output 2
2001 Apr 12
11
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
On-chip power supply reference current generator: pin Iref Vo(ref) Ro Io(max) output reference voltage output resistance maximum output current 4 8 -100 4.25 11 - 4.5 13 +100 V k nA
11 AC CHARACTERISTICS VDDA1 = VDDA3 = VDDA4 = VDDA5 = VDDA6 = 8.5 V; VDDA2 = 5 V; VDDD = 5 V; Tamb = 25 C; see Figs 9 and 10; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. - 101 TYP. MAX. UNIT
Voltage controlled oscillator fosc C/N RR oscillator frequency carrier-to-noise ratio ripple rejection fosc = 200 MHz; f = 10 kHz fripple = 100 Hz; VDDA3(ripple) = 100 mV (RMS) fosc = 250 MHz fosc = 200 MHz FEEDBACK INPUT: PIN OSCFDB Vi(bias) VO Vo(rms) input bias voltage 2.2 2.8 3.4 V - - 97 99 - - dB dB 151.2 - 248.2 - MHz dBc ----------Hz
TANK CIRCUIT OUTPUT: PIN OSCTNK DC output voltage AC output voltage (RMS value) fosc = 200 MHz 5 - 6.1 1.5 7.2 - V V
Crystal oscillator fxtal Rxtal Cxtal C/N crystal frequency crystal motional resistance crystal shunt capacitance carrier-to-noise ratio fxtal = 20.5 MHz (10.25 MHz); f = 10 kHz start of operating 20.4996 - - - 20.5 - - 112 20.5004 500 18 - MHz pF dBc ----------Hz
CIRCUIT INPUTS: PINS XTAL1, XTAL2 AND XTALGND Vxtal(rms) VXTAL1, VXTAL2 Ri Ci crystal voltage (RMS value) DC bias voltage real part of input impedance input capacitance VXTAL1 - VXTAL2 = 1 mV; note 1 note 1 note 2 - 1.7 -500 8 350 2.1 - 10 - 2.5 - 12 mV V pF
2001 Apr 12
12
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL IXTALGND
PARAMETER crystal oscillator circuit current
CONDITIONS start-up at VXTAL1 = VXTAL2 = 2.1 V operating at VXTAL1 - VXTAL2 = 400 mV - -
MIN. 9
TYP. - -
MAX.
UNIT mA mA
1.5
Oscillator divider N1 N1 oscillator divider ratio FM mode: standard, Europe and local weather band (WX) Oscillator divider N2 N2 oscillator divider ratio AM mode SW LW and MW Synthesizer PROGRAMMABLE DIVIDER Nprog Nstep programmable divider ratio programmable divider step size 512 - - 1 32767 - - - 10 5 - - - - 2 1 - -
REFERENCE FREQUENCY DIVIDER Nref crystal oscillator divider ratio fxtal = 20.5 MHz fref = 100 kHz fref = 50 kHz fref = 25 kHz fref = 20 kHz fref = 10 kHz CHARGE PUMP: PIN CPOUT Isink(cp1)l Isource(cp1)l Isink(cp1)h low charge pump 1 peak sink current low charge pump 1 peak source current high charge pump 1 peak sink current high charge pump 1 peak source current charge pump 2 peak sink current charge pump 2 peak source current FM weather band mode; 0.4 V < VCPOUT < 7.6 V FM weather band mode; 0.4 V < VCPOUT < 7.6 V AM stereo mode; N2 = 10 (LW and MW); 0.4 V < VCPOUT < 7.6 V AM stereo mode; N2 = 10 (LW and MW); 0.4 V < VCPOUT < 7.6 V FM standard mode; 0.3 V < VCPOUT < 7.1 V FM standard mode; 0.3 V < VCPOUT < 7.1 V 0 < VCPOUT < 8.5 V 200 -400 0.7 300 -300 1 400 -200 1.3 A A mA - - - - - 205 410 820 1025 2050 - - - - -
Isource(cp1)h
-1.3
-1
-0.7
mA
Isink(cp2) Isource(cp2)
100 -160 -5
130 -130 -
160 -100 +5
A A nA
IZ(cp1), IZ(cp2) charge pump 1 or 2 current in 3-state 2001 Apr 12
13
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
CHARGE PUMP: PIN Vtune Isink(cp3) Isource(cp3) IZ(cp3) charge pump 3 peak sink current charge pump 3 peak source current charge pump 3 current in 3-state FM standard mode; 0.4 V < Vtune < 7.6 V FM standard mode; 0.4 V < Vtune < 7.6 V 0 < Vtune < 8.5 V 2.1 -3.9 -5 3 -3 - 3.9 -2.1 +5 mA mA nA
Antenna Digital Auto Alignment (DAA) DAA INPUT: PIN DAAIN Ibias(cp) charge pump buffer input bias current FM mode; 0.4 V < VDAAIN < 8.0 V AM mode; 0 V < VDAAIN < 8.5 V Vi(cp) charge pump buffer input voltage -10 -10 0 - - - +10 +10 8.5 nA nA V
DAA OUTPUT: PIN DAAOUT; note 2 Vo(AM) Vo(FM) DAA output voltage in AM mode DAA output voltage in FM mode VDAAIN = 4.0 V; VDAATD = 0.7 V minimum value bits DAA[6:0] set to logic 0 value: data byte 3 = 10101011 maximum value; bits DAA[6:0] set to logic 1 VDAAIN = 3.0 V; VDAATD = 0.7 V; bits DAA[6:0] set to logic 1 VDAAIN = 2 V data byte 3 = 11010101 data byte 3 = 10101010 Vo(n) DAA output noise voltage FM mode; VDAAIN = 4 V; data byte 3: bit 6 = 1, bits 5 to 0 = 0; B = 300 Hz to 15 kHz Tamb = -40 to +85 C; data byte 3 = 10101011; VDAATD = 0.7 V FM mode; VDAAOUT < 8.0 V; n = 0 to 127 0.2 V < VDAAOUT < 8.25 V 3 1.8 - 3.3 2 30 3.6 2.2 100 V V V - 1.5 3.8 8 6.2 - 1.65 4 - 6.5 0.5 1.8 4.2 8.5 6.8 V V V V V - - 0.3 V
Vo (T)
DAA output voltage variation with temperature DAA step accuracy DAA output sink current DAA output source current
-8
-
+8
mV
Vo (step) Io(sink) Io(source)
0.5VLSB 50 -
VLSB - -
1.5VLSB - -50
mV A A
2001 Apr 12
14
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL tst RR CL
PARAMETER DAA output settling time ripple rejection DAA output load capacitance
CONDITIONS 0.2 V < VDAAOUT < 8.25 V; CL = 270 pF fripple = 100 Hz; VDDA4 = 1 mV VDAAOUT < 8.0 V; FM mode - - -
MIN. -
TYP.
MAX. 30 - 270
UNIT s dB pF
50 -
DAA TEMPERATURE COMPENSATION: PIN DAATD Isource TCsource compensation diode source current temperature coefficient of compensation diode source current 0.2 V < VDAATD < 1.5 V 0.2 V < VDAATD < 1.5 V; Tamb = -40 to +85 C -50 -40 -30 A
-3 x 10-10 -
+3 x 10-10 K-1
IF counter (FM IF or AM IF2 counter) NIF Tcount(IF) Rprecount IF counter length for AM and FM IF counter period FM IF counter prescaler ratio data byte 4: bit 7 = 1 data byte 4: bit 7 = 0 data byte 4: bit 3 = 1 data byte 4: bit 3 = 0 - - - - - 8 2 20 10 100 - - - - - bit ms ms
Reference frequency for car sound processor IC; note 3 REFERENCE FREQUENCY DIVIDER Nref fref Vo(p-p) VO Ro RL(min) crystal oscillator divider ratio reference frequency fxtal = 20.5 MHz - - 60 3.2 - 1 272 75.368 - - 170 3.9 50 - kHz
VOLTAGE GENERATOR; PIN fref AC output voltage (peak-to-peak value) DC output voltage output resistance minimum load resistance 100 3.4 - - mV V k M
AM signal channel AM RF AGC STAGE INPUTS: PINS AMMIX1IN1 AND AMMIX1IN2 Vi(p) RF input voltage for AGC start level (peak value) data byte 5: bit 5 = 0, bit 6 = 0 - data byte 5: bit 5 = 1, bit 6 = 0 - data byte 5: bit 5 = 0, bit 6 = 1 - data byte 5: bit 5 = 1, bit 6 = 1 - AM IF AGC STAGE INPUTS: PINS AMIF2IN AND AMIF2DEC Vi(p) IF2 input voltage (peak value) AGC start level 0.20 0.27 0.35 V 150 275 400 525 - - - - mV mV mV mV
AM RF AGC CURRENT GENERATOR OUTPUT: PIN IAMAGC Isink(max) maximum AGC sink current VAMMIX1IN1 > 500 mV (peak value) 15 - 15 - mA
2001 Apr 12
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL Ro Co Iatt
PARAMETER output resistance output capacitance
CONDITIONS IIAMAGC = 1 A 1 - data byte 5: bit 5 = 1, bit 6 = 1; AM mixer 1 input Vi = 1 V; VT2AMAGC-GND = 3 V; VAMIF2IN-AMIF2DEC = 0 V data byte 5: bit 5 = 1, bit 6 = 1; AM mixer 1 input Vi = 0 V; VT2AMAGC-AMMIN1IN2 = 0.25 V; VT2AMAGC-GND = 3 V; VAMIF2IN-AMIF2DEC = 0 V -
MIN. - 5
TYP. - 7 -
MAX.
UNIT M pF
AM RF AGC PEAK DETECTOR: PIN T2AMAGC attack current AGC peak detector 3.15 mA
Idec
decay current AGC peak detector
-
2.6
-
A
AM MIXER 1 (IF1 = 10.7 MHZ)
Mixer inputs: pins AMMIX1IN1and AMMIX1IN2
Ri Ci VI Vi(max) input resistance input capacitance DC input voltage maximum voltage on pin AMMIX1IN1 1 dB compression point of AM mixer 1 output (peak-to-peak) note 4 note 4 50 - 2.3 500 70 5 2.7 - 100 7 3.1 - k pF V mV
Mixer outputs: pins MIX1OUT1 and MIXOUT2
Ro Co Vo(max)(p-p) Ibias output resistance output capacitance maximum output voltage (peak-to-peak value) mixer bias current AM mode note 5 note 5 100 - 12 4.8 - 5 15 6 - 7 - 7.2 k pF V mA
Mixer
gm(conv) conversion transconductance I MIXOUT1 -------------------------------------------------V FMMIXIN1 - FMMIXIN2 conversion transconductance variation with temperature g m(conv) -------------------------------g m(conv) x T 3rd-order intermodulation 2nd-order intermodulation 2.0 2.55 3.2 mA -------V
gm(conv)(T)
-
-9 x 10-4 -
K-1
IP3 IP2
RL = 2.8 k (AC load between 135 output pins) RL = 2.8 k (AC load between - output pins)
138 170
- -
dBV dBV
2001 Apr 12
16
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL Vi(n)(eq)
PARAMETER equivalent input noise voltage noise figure of AM mixer 1
CONDITIONS band limited noise; - Rgen = 750 ; RL = 2.8 k (AC load between output pins) - -5 measured with respect to pin RFGND measured with respect to pin RFGND 0
MIN.
TYP. 5.8 -
MAX.
UNIT nV ----------Hz dB A V V
F
4.5 - - 6.0
7.1
WEATHER BAND FLAG: PIN T1AMAGC IL(max) Vo(max) Vo(min) maximum load current maximum output voltage for FM mode minimum output voltage for WX mode +5 0.5 6.9
5.1
AM MIXER 2 (IF2 = 450 KHZ)
Mixer inputs: pins IFAMP1IN and IFAMP1DEC
Ri Ci VI Vi(max)(p) input resistance input capacitance DC voltage maximum input voltage (peak value) 1 dB compression point of AM mixer 2 output (peak-to-peak) note 6 note 6 270 - 2.4 1.1 330 5 2.7 - 390 7 3 - pF V V
Mixer outputs: pins AMMIX2OUT1 and AMMIXOUT2
R0 Co Vo(max)(p-p) Ibias output resistance output capacitance maximum output voltage (peak-to-peak value) mixer bias current note 7 note 7 VDDA = 8.5 V AM mode 100 - 12 3.6 - 5 15 4.5 - 7 - 5.4 k pF V mA
Mixer
gm(conv) conversion transconductance I AMMIX2OUT1 -----------------------------V IFAMP1IN conversion transconductance variation with temperature g m(conv) -------------------------------g m(conv) x T 3rd-order intermodulation 2nd-order intermodulation equivalent input noise voltage noise figure of AM mixer 2 RL = 4 k (AC load between output pins) RL = 4 k (AC load between output pins) 1.3 1.6 1.9 mA -------V
gm(conv)(T)
-
-9 x 10-4 -
K-1
IP3 IP2 Vi(n)(eq) F
134 -
137 170 15 16
- - 22 19.5
dBV dBV nV ----------Hz dB
Rgen = 330 ; RL = 4 k - (AC load between output pins) -
2001 Apr 12
17
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL Vi
PARAMETER input voltage
CONDITIONS for = -10 dB audio attenuation AM soft mute on AM soft mute off - - - 1
MIN.
TYP.
MAX.
UNIT
AM IF2 AGC STAGE: PINS AMIF2IN AND AMIF2DEC; note 8
75 6 14 - 4.3 89 2 -
120 10 30 - 4.7 - 2.2 5
V V V V V dB k pF
VAGC(start) VAGC(stop) VAGC(ctrl) AGC Ri Ci AM DETECTOR Vsens(rms)
AGC start voltage AGC stop voltage AGC control voltage AGC range input resistance input capacitance
input carrier voltage maximum input peak voltage Vi = 1 mV between start and stop of AGC; m = 0.8
4.1 - 1.8 -
sensitivity voltage (RMS value)
m = 0.3; fmod = 400 Hz; BAF = 2.5 kHz; Rgen = 2 k; note 8 (S+N)/N = 26 dB (S+N)/N = 46 dB - - 54 45 600 60 65 900 - V V dB
(S+N)/N THD
maximum signal plus noise-to-noise ratio total harmonic distortion
m = 0.3; fmod = 400 Hz; BAF = 2.5 kHz; Rgen = 2 k BAF = 2.5 kHz; CAGC = 22 F; AM IF2 AGC input Vi = 100 V to 500 mV (RMS) m = 0.8; fmod = 400 Hz m = 0.9; fmod = 400 Hz m = 0.8; fmod = 100 Hz m = 0.9; fmod = 100 Hz
- - - - 30 - - -
0.5 1 1.25 1.75 40 1000 - -
1 2 2.5 3.5 - 1500 1800 180
% % % % dB ms ms ms
RR tsw tsettle
ripple rejection FM to AM switching time AM AGC settling time
VDDA2(ripple) = 100 mV (RMS); fripple = 100 Hz; CAGC = 22 F CAGC = 22 F normal operation test mode
Output: pin AMAFIF2
Vo(rms) AM IF2 output voltage (RMS value) AM stereo; m = 0 minimum at Vi = 14 V maximum at Vi = 5.0 mV 1.5 130 3 180 290 4.5 230 340 mV mV mV
AM mono; m = 0.3; 240 fmod = 400 Hz; Vi = 100 V to 500 mV (RMS) Ro output resistance AM stereo AM mono - -
- -
500 500

2001 Apr 12
18
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL Co Vlevel
PARAMETER output capacitance
CONDITIONS AM mono Vi = 10 V to 1 V Vi < 1 V; standard setting of level DAA and level slope Vi = 1.4 mV; standard setting of level DAA - 0
MIN. 5 -
TYP. 7
MAX.
UNIT pF
AM IF2 LEVEL DETECTOR OUTPUT: PIN Vlevel; see Fig.3 DC output voltage 7 0.9 2.8 50 950 75 - 500 - V V V mV mV -------------20 dB mV -------------20 dB mV dB 0.1 1.6 0.5 2.2 40 800 60 300 - 40
Vlevel Vlevel(slope) Vstep Blevel Ro RR
step size for adjustment of standard setting of level slope 30 level starting point slope of level voltage standard setting of level slope 650 45 200 - VDDA1(ripple) = 100 mV (RMS); fripple = 100 Hz; -
step size for adjustment of Vi =1.4 mV level starting point bandwidth of level output voltage output resistance ripple rejection
AM NOISE BLANKER; see Fig.4
Threshold: pin AMNBHOLD
VO tsup ftrigger DC output voltage suppression time trigger sensitivity frequency Vp = 200 mV (peak); Vlevel < 1.8 V Vp = 200 mV (peak); Vlevel > 2.2 V Vp = 20 mV (peak) 4.3 6 - - - 35 1.9 4.6 7.5 1000 - - 50 2.2 5.1 10 - 100 100 V s Hz Hz Hz A V
Noise detector output: pin TRDSMUTE
Isink(AGC) VAGC AM noise blanker AGC sink current AM noise blanker AGC voltage VTRDSMUTE = 3 V AM mixer 1 input Vi = 0 V 65 2.5
FM signal channel FM RF AGC
Inputs: pins FMMIXIN1 and FMMIXIN2; note 9
Vi(RF)(rms) RF input voltage for start of wide-band AGC (RMS value) data byte 5: bit 5 = 0, bit 6 = 0 - data byte 5: bit 5 = 1, bit 6 = 0 - data byte 5: bit 5 = 0, bit 6 = 1 - data byte 5: bit 5 = 1, bit 6 = 1 - 4 8 12 16 - - - - mV mV mV mV
2001 Apr 12
19
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN. -350 15
TYP. -600 25
MAX. -850 35
UNIT A A mA
AGC peak detector output: pin T1FMAGC
Ich Idis Idrive Vth FM RF MIXER charge current discharge current
PIN diode drive output: pin IFMAGC
drive current Vo = 0.5 to 4.0 V data byte 5: bit 7 = 1; standard setting of level DAA 8 11.5 15
Level voltage output: pin Vlevel
threshold voltage for narrow-band AGC 500 950 1400 mV
Reference voltage: pin Vref(FMMIX)
Vref reference voltage FM mode AM mode 6.5 2.7 7.1 3.1 7.9 3.4 - V V
Inputs: pins FMMIXIN1 and FMMIXIN2; note 9
Vi(RF)(max) maximum RF input voltage equivalent input noise voltage input resistance input capacitance 1 dB compression point of FM mixer output voltage (peak-to-peak value) Rgen = 600 ; RL = 2.8 k; noise of Rgen not included 70 100 mV
Vi(n)(eq) Ri Ci Ro Co Ibias Vo(max)(p-p)
- - - 100 -
2.6 1.4 5 - 5 6 -
3.1 - 7 - 7 7.2 -
nV ----------Hz k pF
Outputs: pins MIX1OUT1 and MIX1OUT2; note 5
output resistance output capacitance mixer bias current maximum output voltage (peak-to-peak value) FM mode k pF mA V
4.8 3
FM mixer
gm(conv) gm(conv)(T) conversion transconductance conversion transconductance variation with temperature noise figure 3rd-order intermodulation image rejection ratio RL = 330 ; Vi = 1 mV; note 10 8.5 - 12.5 18 mA -------V K-1
-1 x 10-3 -
F IP3 IRR IF AMPLIFIER 1 G F IP3 2001 Apr 12
- 116 25
3 119 30
4.6 - - 17.5 13 -
dB dBV dB
gain noise figure 3rd-order intermodulation
13.5 - 117
15.5 10 120
dB dB dBV
20
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN. -
TYP. -
MAX.
UNIT
Inputs: pins IFAMP1IN and IFAMP1DEC; note 10
Vi(max)(p) maximum input voltage (peak value) equivalent input noise voltage input resistance input capacitance 1 dB compression point of IF amplifier 1 output voltage (peak value) Rgen = 330 ; RL = 330 ; noise of Rgen not included 200 mV
Vi(n)(eq) Ri Ci Ro Co Vo(max)(p) IF AMPLIFIER 2 G F IP3
- 270 - 270 - 1.2
8 330 5
10 390 7
nV ----------Hz pF pF V
Output: pin IFAMP1OUT
output resistance output capacitance maximum output voltage (peak value) RL = 330 ; Vi = 1 mV; note 11 330 5 1.5 390 7 -
gain noise figure 3rd-order intermodulation
6.5 - 127
8.5 13 130 -
10.5 15 - -
dB dB dBV
Inputs: pins IFAMP2IN and IFAMP2DEC; note 11
Vi(max)(p) maximum input voltage (peak value) equivalent input noise voltage input resistance input capacitance 1 dB compression point of IF amplifier 2 output voltage (peak value) Rgen = 330 ; RL = 330 ; noise of Rgen not included 500 mV
Vi(n)(eq) Ri Ci Ro Co Vo(max)(p)
- 270 - 270 - 1.2
10 330 5
13 390 7
nV ----------Hz pF pF V
Output: pin IFAMP2OUT
output resistance output capacitance maximum output voltage (peak value) 330 5 1.5 390 7 -
FM demodulator and level detector; see Figs 5 and 6 FM LIMITER
Inputs: pins FMLIMIN and FMLIMDEC; note 12
G Ri Ci Vo(p-p) gain input resistance input capacitance Rgen = 50 74 270 - measured between output pins 21 500 80 330 5 - 390 7 - dB k pF
Outputs: pins QDET1 and QDET2
output voltage (peak-to-peak value) 700 mV
2001 Apr 12
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL FM DEMODULATOR
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Limiter decoupling: pin FMLIMDEC
RL CL load resistance load capacitance AF = -3 dB 20 - - - - 10 - 50 k pF V
RDS MPX inputs: pins FMLIMIN and FMLIMDEC; note 12
Vstart(lim)(rms) start of limiting of RDS MPX output voltage (RMS value) 15
RDS MPX output: pin QRDSMPX
Vo(rms) Io(max) Ro B PSRR RDS MPX output voltage (RMS value) maximum RDS MPX output current output resistance bandwidth RDS MPX output power supply ripple rejection CL = 0; RL > 20 k fripple = 100 Hz to 20 kHz f = 22.5 kHz; fmod = 57 kHz; Vi = 20 V to 1 V; note 12 180 - - 200 - 230 - - 300 40 280 100 500 - - mV A kHz dB
FM RDS inputs: pins FMLIMIN and FMLIMDEC; note 12
Vstart(lim)(rms) start of limiting of MPX output voltage (RMS value) Vo(sens)(rms) sensitivity for MPX output voltage (RMS value) AF = -3 dB - 10 15 V
f = 22.5 kHz; fmod = 1 kHz; de-emphasis = 75 s (S+N)/N = 26 dB (S+N)/N = 46 dB - - 180 10 50 15 75 V V mV
FM MPX output: pin FMMPX; note 12
Vo(rms) MPX output voltage (RMS value) AM suppression of MPX output f = 22.5 kHz; fmod = 1 kHz; de-emphasis = 75 s; Vi = 20 V to 1 V; f = 22.5 kHz; fmod = 1 kHz; m = 0.3; de-emphasis = 75 s Vi = 500 V to 300 mV Vi = 20 to 500 V Vi = 300 mV to 1 V Io(max) (S+N)/N maximum MPX output current maximum signal plus noise-to-noise ratio of MPX output voltage f = 22.5 kHz; fmod = 1 kHz; de-emphasis = 75 s; Vi = 10 mV; 50 - - - 67 60 40 40 - 70 - - - 100 - dB dB dB A dB 230 280
AM
THD
total harmonic distortion of f = 75 kHz; fmod = 1 kHz; MPX output voltage de-emphasis = 75 s; Vi = 200 V to 800 mV 22
-
0.35
0.7
%
2001 Apr 12
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL B PSRR RL(min) Ro(max) CL(max) MPX MUTE mute tatt tdecay Idis Ich
PARAMETER bandwidth MPX output power supply ripple rejection minimum load resistance maximum output resistance maximum load capacitance
CONDITIONS CL = 0; RL > 20 k fripple = 100 Hz to 20 kHz - 20 - -
MIN. 200 -
TYP. - - - 40 - - -
MAX.
UNIT kHz dB k pF
500 50
muting depth attack time MPX mute decay time MPX mute
during RDS update CTRDSMUTE = 10 nF CTRDSMUTE = 10 nF Vo = 3 V; audio output muted Vo = 3 V; audio output not muted f = 100 kHz Ldemod = typical value Vi = 10 to 80 V Vi = 80 V to 800 mV Ldemod = 6% Vi = 10 to 80 V Vi = 80 V to 800 mV
60 0.75 0.75
80 1 1
- 1.25 1.25
dB ms ms A A
RDS update: pin TRDSMUTE
discharge current charge current 24 -24 32 -32 38 -38
DEMODULATOR AFC GAFC Voffset(DC) AFC gain 28 32 - dB
RDS MPX output: pin RDSMPX; note 12
residual DC offset voltage - - - - 0 0.2 1.4 0.1 10 0.240 25 - 0.6 1.9 40 800 50 300 - 1 30 1 500 V mV V mV
FM IF LEVEL DETECTOR OUTPUT: PIN Vlevel; note 12 Vlevel DC output voltage Vi = 10 V to 1 V Vi < 1 V; standard setting of level DAA Vi = 1 mV; standard setting of level DAA Vlevel Vlevel(slope) Vstep Vlevel(B) Ro level starting point for adjustment of step size slope of level voltage level slope adjustment of step size bandwidth of level output voltage output resistance 7 1.1 2.5 50 950 75 - 500 V V V mV mV -------------20 dB mV -------------20 dB mV
standard setting of level slope 30 standard setting of level slope 650 Vi = 1 mV Vi = 10 mV; fmod = 22.5 kHz; standard setting of DAA 45 200 -
2001 Apr 12
23
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL RR RDS update
PARAMETER ripple rejection
CONDITIONS VDDA1(ripple) = 100 mV (RMS); fripple = 100 Hz -
MIN.
TYP. 40 -
MAX.
UNIT dB
Output: pin AFHOLD
Isink(max) maximum sink current after first bus transmission with AF = 1 (start of RDS update); Vo = 0.5 V no RDS update in progress; Vo = 0.5 V 1.0 1.2 1.4 mA
Output: pin AFSAMPLE
Isink(max) maximum sink current 1.0 1.2 1.4 mA
Test mode; note 3
Temperature compensation diode: pin DAATD
Vi(ext) external input voltage to clock state machine VDAATD(L) = 2.5 V; VDAATD(H) = 3.5 V VSCL(L) = 0 V; VSCL(H) = 5 V 2.5 - 3.5 V
Clock input: pin SCL
Vi(ext) external input voltage to clock DAA 0 - 5 V
Time constant output: pin T1AMAGC
Vpulse Notes 1. Measured between pins XTAL1 and XTAL2. n 2. DAA conversion gain formula: V DAAOUT = 2 x 0.75 x --------- + 0.25 x ( V DAAIN + V DAATD ) - V DAATD 128 where n = 0 to 127. 3. Reference frequency pin fref: a) Rext = 68 k connected to ground, activates the 2nd I2C-bus address b) Rext = 100 k connected to VDDA1, sets the IC into test mode. 4. Input parameters of AM mixer 1 measured between pins AMMIX1IN1 and AMMIX1IN2. 5. Output parameters of FM mixer and AM mixer 1 measured between pins MIX1OUT1 and MIX1OUT2. 6. Input parameters of AM mixer 2 measured between pins IFAMP1IN and IFAMP1DEC. 7. Output parameters of AM mixer 2 measured between pins AMMIX2OUT1 and AMMIX2OUT2. 8. Input parameters of AM IF2 measured between pins AMIF2IN and AMIF2DEC. 9. Input parameters of FM mixer measured between pins FMMIXIN1 and FMMIXIN2. 10. Input parameters of IF amplifier 1 measured between pins IFAMP1IN and IFAMP1DEC. 11. Input parameters of IF amplifier 2 measured between pins IFAMP2IN and IFAMP2DEC. 12. Input parameters of FM limiter measured between pins FMLIMIN and FMLIMDEC. enabling voltage of load PLL signal pin fref in test mode 5.1 6 6.9 V
2001 Apr 12
24
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth
6 Vlevel (V) 5
MHB484
4
(1)
3
(2)
2
(3)
1
0
10 -3
10 -2
10 -1
1
10
10 2
Vi (mV)
10 3
(1) Level DAA setting byte 6 = FFH. (2) Level DAA setting byte 6 = 84H (standard setting). (3) Level DAA setting byte 6 = 00H.
Vi = VAMIF2IN - VAMIF2DEC
Fig.3 AM level output voltage (DAA) as a function of AM level circuit input voltage.
handbook, full pagewidth
Trep
58 59 Vlevel
VP
TEA6845AH TEA6845H
test signal 16 50 4.7 nF 100 100 17 13
61 1 k 64 1 k 63 8.5 V oscilloscope, counter 3V
VP
4V
MHB876
8.5 V
Test signal: Trep = 2 ms, tr < 50 ns, tf < 50 ns, and duty factor 50%.
Fig.4 Test circuit for AM noise blanker.
2001 Apr 12
25
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth
6
MHB486
Vlevel (V)
5
(1)
4
3
(2)
2
(3)
1
0 10 -3
10 -2
10 -1
1
10
10 2
Vi (mV)
10 3
(1) Level DAA setting byte 6 = FFH. (2) Level DAA setting byte 6 = 84H (standard setting). (3) Level DAA setting byte 6 = 00H.
Vi = VFMLIMIN - VFMLIMDEC.
Fig.5 FM level output voltage (DAA) as a function of FM limiter and level circuit input voltage.
2001 Apr 12
26
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth V ,
10 FMMPX VRDSMPX (dB) 0
MHB487
(1)
9 Vlevel (V) 8 THD (%) 7
-10
-20
(2)
6
-30
5
(3)
-40
4
-50
3
-60
(4)
2
-70
(5)
1
-80 10 -3
10 -2
10 -1
1
10
10 2
Vi (mV)
0 10 3
(1) Output voltage for FMMPX and RDSMPX: fIF = 10.7 MHz; f = 22.5 kHz; fmod = 1 kHz. (2) Noise: unweighted B = 250 Hz to 15 kHz with de-emphasis 50 s for FMMPX. (3) Noise: unweighted B = 250 Hz to 15 kHz with de-emphasis 50 s for RDSMPX. (4) THD for FMMPX and RDSMPX. (5) Level for standard setting of level DAA, byte 6 = 84H. Vi = VFMLIMIN - VFMLIMDEC.
Fig.6 (S+N)/N, THD and level output voltage for FM mode as a function of FM demodulator input voltage.
2001 Apr 12
27
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
12 I2C-BUS PROTOCOL 12.1 I2C-bus specification 12.1.3
TEA6845AH; TEA6845H
I2C-bus pULL-UP RESISTORS
Information about the I2C-bus can be found in the brochure "The I2C-bus and how to use it" (order number 9398 393 40011). The standard I2C-bus specification is expanded by the following definitions. IC addresses: * 1st IC address C2: 1100001 * 2nd IC address C0: 1100000. Structure of the increment. I2C-bus logic: slave transceiver with auto
When the IC is used together with the TEA6880H or TEF6890H and both SCL and SDA lines are connected via the I2C-bus to the TEA6880H or TEF6890H, the pull-up resistors of the tuner IC should be connected to the digital supply voltage of the TEA6880H or TEF6890H. Otherwise an I2C-bus pull-down can occur switching off the tuner IC supply when the I2C-bus buffer interface of the TEA6880H or TEF6890H is enabled for data transfer to the tuner IC. 12.1.4 FREQUENCY SETTING
Subaddresses are not used. 12.1.1 TEST MODE
For new frequency setting, in both AM and FM mode, the programmable divider is enabled by setting bit MUTE =1. To select an FM frequency, two I2C-bus transmissions are necessary: * First: bit MUTE = 1 * Second: bit MUTE = 0.
Connecting pin fref to VDDA1 via a 100 k resistor or feeding 50 A into that pin switches the IC into the test mode. During test mode the digital-to-analog converters of the level and antenna DAA functions can be sequenced by the I2C-bus SCL line. During test mode either the TEA6880H or TEF6890H reference frequency, the PLL reference frequency divider or the programmable divider output can be switched to pin fref. 12.1.2 DATA TRANSFER FOR THE TEA6845
Data sequence: address, byte 1, byte 2, byte 3, byte 4, byte 5, and byte 6. The data transfer has to be in this order. The LSB = 0 indicates a WRITE operation to the TEA6845. Bit 7 of each byte is considered the MSB and has to be transferred as the first bit of the byte. The data becomes valid at the output of the internal latches with the acknowledge of each byte. A STOP condition after any byte can shorten transmission times. When writing to the transceiver by using the STOP condition before completion of the whole transfer: * The remaining bytes will contain the old information * If the transfer of a byte is not completed, this byte is lost and the previous information is available. In byte 5, 4 bits are reserved for test mode purposes. Those can only be used when the test mode is activated by the select pin fref. 2001 Apr 12 28
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
12.2 12.2.1 Table 1 S(1) Table 2 S(1) Notes to Tables 1 and 2 1. S = START condition. 2. A = acknowledge. 3. P = STOP condition. Table 3 IC address byte IC ADDRESS 1 Notes 1. Defined by address pin fref: a) 1 = 1st IC address b) 0 = 2nd IC address. 2. Read or write mode: a) 0 = write operation to TEA6840H b) 1 = read operation from TEA6840H. 12.2.2 Table 4 WRITE MODE: DATA BYTE 1 Format of data byte 1 BIT 6 PCA6 BIT 5 PCA5 BIT 4 PCA4 BIT 3 PCA3 1 0 0 0 Read mode address (read) A(2) I2C-bus protocol DATA TRANSFER MODE AND IC ADDRESS Write mode address (write) A(2)
TEA6845AH; TEA6845H
data byte(s)
A(2)
P(3)
data byte 1
MODE 0 0/1(1) R/W(2)
BIT 7 AF Table 5 BIT 7 6 to 0
BIT 2 PCA2
BIT 1 PCA1
BIT 0 PCA0
Description of data byte 1 bits SYMBOL AF PCA[6:0] DESCRIPTION Alternative frequency. If AF = 0, then normal operation. If AF = 1, then AF (RDS) update mode. Setting of programmable counter of synthesizer PLL. Upper byte of PLL divider word.
2001 Apr 12
29
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
12.2.3 Table 6 WRITE MODE: DATA BYTE 2 Format of data byte 2 BIT 6 PCB6 BIT 5 PCB5 BIT 4 PCB4 BIT 3 PCB3
TEA6845AH; TEA6845H
BIT 7 PCB7 Table 7 BIT 7 to 0
BIT 2 PCB2
BIT 1 PCB1
BIT 0 PCB0
Description of data byte 2 bits SYMBOL PCB[7:0] DESCRIPTION Setting of programmable counter of synthesizer PLL. Lower byte of PLL divider word.
12.2.4 Table 8
WRITE MODE: DATA BYTE 3 Format of data byte 3 BIT 6 DAA6 BIT 5 DAA5 BIT 4 DAA4 BIT 3 DAA3 BIT 2 DAA2 BIT 1 DAA1 BIT 0 DAA0
BIT 7 MUTE Table 9 BIT 7 6 to 0 12.2.5
Description of data byte 3 bits SYMBOL MUTE DAA[6:0] DESCRIPTION FM audio mute. If MUTE = 0, then FM audio not muted. If MUTE = 1, then FM audio muted; writing to programmable divider enabled. Setting of antenna digital auto alignment.
WRITE MODE: DATA BYTE 4
Table 10 Format of data byte 4 BIT 7 IFMT BIT 6 RFS2 BIT 5 RFS1 BIT 4 RFS0 BIT 3 IFPR BIT 2 BND1 BIT 1 BND0 BIT 0 AMFM
Table 11 Description of data byte 4 bits BIT 7 6 to 4 3 2 and 1 0 SYMBOL IFMT RFS[2:0] IFPR BND[1:0] AMFM DESCRIPTION IF measuring time. If IFMT = 0, then IF measuring time is 20 ms. If IFMT = 1, then IF measuring time is 2 ms. Reference frequency for synthesizer. These 3 bits determine the reference frequency, see Table 12. IF counter prescaler ratio. If IFPR = 0, then IF prescaler ratio is 100. If IFPR = 1, then IF prescaler ratio is 10. Band switch. These 2 bits select in FM mode band and local or distant, see Table 13; in AM mode band and AM stereo, see Table 14. AM or FM switch. If AMFM = 0, then FM mode. If AMFM = 1, then AM mode
2001 Apr 12
30
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
Table 12 Reference frequency setting RFS2 0 1 0 1 0 1 0 1 Table 13 FM mode BND1 0 BND0 0 RFS1 0 0 1 1 0 0 1 1 RFS0 0 0 0 0 1 1 1 1
TEA6845AH; TEA6845H
fref (kHz) 100 50 25 20 10 10 10 10
SELECTION FM standard: dead zone high current charge pump active, FM AGC defined by RF level and threshold level setting by I2C-bus FM local: dead zone high current charge pump active, FM AGC source current set to maximum FM East Europe: dead zone high current charge pump switched off, current of low current charge pump set to 1 mA FM weather band: N1 divider set to 1 and I and Q phase shift network switched on, WX flag signal activated
0 1 1
1 0 1
Table 14 AM mode; note 1 BND1 0 0 1 1 Note 1. In AM mode dead zone high current charge pump switched off, current of low current charge pump set to 1 mA. BND0 0 1 0 1 SELECTION AM mono; N2 divider set to 5 (SW) AM stereo; N2 divider set to 5 (SW) AM mono; N2 divider set to 10 (LW, MW) AM stereo; N2 divider set to 10 (LW, MW)
2001 Apr 12
31
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
12.2.6 WRITE MODE: DATA BYTE 5
TEA6845AH; TEA6845H
Table 15 Format of data byte 5 BIT 7 KAGC BIT 6 WBA1 BIT 5 WBA0 BIT 4 AMSM BIT 3 TMS3 BIT 2 TMS2 BIT 1 TMS1 BIT 0 TMS0
Table 16 Description of data byte 5 bits BIT 7 6 and 5 4 3 2 1 and 0 SYMBOL KAGC WBA[1:0] AMSM TMS3 TMS2 TMS[1:0] DESCRIPTION Keyed FM AGC. If KAGC = 0, then keyed FM AGC is off. If KAGC = 1, then keyed FM AGC is on. Wide band AGC. These 2 bits set the start value of wide band AGC. For AM, see Table 17 and for FM, see Table 18. AM soft mute. If AMSM = 0, then AM soft mute is off. If AMSM = 1, then AM soft mute is on. In test mode charge pump 3-state. If TMS3 = 0, then 3-state off. If TMS3 = 1, then 3-state on. In test mode external clock for level and antenna DAA. If TMS2 = 0, then external clock disabled. If TMS2 = 1, then external clock enabled. In test mode setting of pin fref. These 2 bits define the function of pin fref, see Table 19.
Table 17 Setting of wide band AGC for AM WBA1 0 0 1 1 Table 18 Setting of wide band AGC for FM WBA1 1 1 0 0 WBA0 1 0 1 0 FM RF MIXER 1 INPUT VOLTAGE (RMS VALUE) (mV) 4 8 12 16 WBA0 0 1 0 1 AM MIXER 1 INPUT VOLTAGE (PEAK VALUE) (mV) 150 275 400 525
Table 19 Setting function of pin fref in test mode TMS1 0 0 1 1 2001 Apr 12 TMS0 0 1 0 1 32 OUTPUT AT PIN fref reference frequency of TEA6880H or TEF6890H tuner oscillator frequency divided by division ratio of programmable divider PLL synthesizer reference frequency not used (no output)
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
12.2.7 WRITE MODE: DATA BYTE 6
TEA6845AH; TEA6845H
Table 20 Format of data byte 6 BIT 7 LST4 BIT 6 LST3 BIT 5 LST2 BIT 4 LST1 BIT 3 LST0 BIT 2 LSL2 BIT 1 LSL1 BIT 0 LSL0
Table 21 Description of data byte 6 bits BIT 7 to 3 2 to 0 SYMBOL LST[4:0] LSL[2:0] DESCRIPTION Setting of level DAA starting point. These 5 bits determine the offset of the level detector output voltage. Setting of level DAA slope. These 3 bits determine the steepness of the level detector output voltage.
Table 22 Standard setting of data byte 6 bits SETTING OF LEVEL DAA STARTING POINT LST4 1 12.2.8 LST3 0 READ MODE: DATA BYTE 1 LST2 0 LST1 0 LST0 0 SETTING OF LEVEL DAA SLOPE LSL2 1 LSL1 0 LSL0 0
Table 23 Format of 1st data byte BIT 7 IFC7 BIT 6 IFC6 BIT 5 IFC5 BIT 4 IFC4 BIT 3 IFC3 BIT 2 IFC2 BIT 1 IFC1 BIT 0 IFC0
Table 24 Description of data byte 1 bits BIT 7 to 0 SYMBOL IFC[7:0] DESCRIPTION IF counter result. These bits contain the last eight bits of the IF counter result.
2001 Apr 12
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Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
13 TEST AND APPLICATION INFORMATION
TEA6845AH; TEA6845H
handbook, full pagewidth
Vtune Coils: L1: P826RC-5134N=S L2: PSGAE-5078D=S L3: P293BC-1977Z L4: E543SNAS-02010 L5: 611SNS-1066Y L6: 369INS-3076X L7; 388BN-1211Z L8: air coil (1): 1 to 5 pF trimmer without DAA (2): series NP0 10 k 2.2 k 3.9 nF 100 nF 1.2 k 22 nF 100 nF 33 34 35 36 37 38 39 3.3 nF 22 3.3 H DGND fref PLL 5V digital
A B
antenna
2.2 M 3.3 H Vt BB814 L5
(1)
32 22 k BAS16 AM 10.25 MHz 120 nH 30 1 F 29 28 FM AGC F E 31 ANTENNA DAA TUNING SYSTEM D C
270 nH 8.2 pF 15 pF 290 nH BA595 22 BA595 330 2.2 k 1 nF 1 nF 15 pF L8 290 nH
1 F L6 27 8.2 pF 26 25
TEA6845AH TEA6845H
WX N1
FM I/Q MIXER
x
/2
G
90
RFGND 10 F 22 nF 24 90 AM-NOISE DETECTOR PEAK/ AVERAGE
H
I
J 5V analog 1 k BAQ806 100 nF 6.8 H WB FLAG 560 22 F 220 nF 23 22 21 AM RF AGC K N2 L M N
/5/10
22 nF 270 H 10 nF 1.8 M 1.5 k
20 100 pF 180 H 180 pF 100 nF 150 pF
AM MIXER 1
x
IFAMP1 O
150 H
P 19 18 17 16 15 14 13
22 nF
22 nF
22 nF
10 nF
470 pF
1 nF
BF861C SFE10.7 MS3 10 Q
MHB878
L7 10 k
BAV99
2.2 M
22 nF
L1
47
22
22
Fig.7 Application diagram (continued in Fig.8).
2001 Apr 12
34
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidthA
4.7 k B
8.5 V 270 pF (2) AF AF SAMPLE HOLD L4 BB156 22 AM RDS/ AUDIO/IF MPX FM MPX 5V analog
3.3 H 1 H
22 nF 2.7 1.8 pF pF 40 41 42 47 F 43 44 45
6.8 nF
100 nF 47 F
100 nF
47 F
46
47
48
49
50
51
VCO C
SEQUENTIAL CIRCUIT FOR RDS UPDATING
AM DETECTOR
MUTE
POWER SUPPLY VDD (I2C-bus)
D E I2C-bus F FM IF AM IF2 IF COUNT
2 ms/ 20 ms 52 I2C-BUS 53 54 55 AM IF AGC LEVEL DAA DEMODULATOR 56
10 k
10 k SDA SCL IF2GND
G
4.7 k
L3
H BLANK PULSE AM LEVEL
57
AFC 47 F
I
58 AM/FM LEVEL
J K L M N IFAMP2 O 63 64 12 22 nF 11 10 220 nF IF1GND 22 nF 9 8 76 5 4 22 nF 3 330 22 nF 10 F 2 1 22 nF L2 59
AM MIXER2
x
FM LIMITER/ LEVEL
CRYSTAL OSCILLATOR
60 61 62 120 k
20.5 MHz
220 nF
P
SFE10.7 MS3 SFR450H
SFE10.7 MS3 22
Q
MHB879
8.5 V
Fig.8 Application diagram (continued from Fig.7).
2001 Apr 12
35
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth
antenna input FM RF input fref PLL
A B C Vtune 470 k 47 3.9 nF relay 1 teledyne 33 10 k 2.2 k 100 nF 1.2 k 100 nF relay 2 34 35 36 37 22 nF 100 nF 38 39 relay 1 3.3 nF 22 100 nF D
3.3 H
DGND
32 Vt BB814 120 nH
(1)
22 k BAS16
31
ANTENNA DAA TUNING SYSTEM
E
F AM 10.25 MHz 1.5 to 5 pF 1 F 1 F BA779-2 560 pF 8.2 pF BA779-2 RFGND L7 220 nH 100 nF 47 F 22 nF L 270 BAQ806 23 22 270 WB FLAG 220 nF 1 mH 220 H 1.5 k 100 pF 330 pF 100 H 680 H 180 pF 100 nF 22 F 220 nF 21 AM RF AGC N2 M N O P 24 90 AM NOISE DETECTOR PEAK/ AVERAGE 3.3 H 22 L6 J 4:6 27 26 25 G
1 nF
8.2 pF L8 470 nH
30 29 28 FM AGC H
TEA6845AH TEA6845H
WX N1
6.8 H
47 pF
FM I/Q MIXER
x
/2
90
I
K
/5/10
20
AM MIXER1
x
IFAMP1 Q
R 1 nF 19 50 22 nF 22 nF 22 nF 18 17 16 15 14 13
470 pF
1 nF 470 k
1.2 M BF861C
4.7 F
100 nF
Ce1 Ce2
BAV99
22 nF
L1
47
22
22
10
SFE10.7 MS3 S 100 nF 304
100 nF 100 nF
330
52
2
AM RF input
IF output
IF input
MHB895
Fig.9 Test circuit (continued in Fig.10).
2001 Apr 12
36
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth
AF SAMPLE
AF HOLD
AM RDS/ AUDIO/IF MPX
FM MPX
10 47 F 100 nF 10 47 F 100 nF 10
5V analog
A B C
(1) 4.7 k 270 pF
5V digital
L4 BB156
relay3
D
68 k
68 k
100 nF
100 nF
100 nF 47 F 10 k 10 k
8.5 V 3.3 H 100 nF
22
3.3 H
22 nF 2.7 1.8 pF pF 40 41 42 6.8 nF 47 F 43 44 45 46 47 48 49
100 nF 47 F 50 51
100 nF
SDA SEQUENTIAL CIRCUIT FOR RDS UPDATING AM DETECTOR POWER SUPPLY SCL
VCO E
MUTE
F G I2C-bus H FM IF AM IF2 IF COUNT
2 ms/ 20 ms 52 SDA I2C-BUS 53 SCL 54 IF2GND 55 DGND AM IF AGC LEVEL DAA DEMODULATOR 56 4.7 k L3 I2C-bus interface
I
J BLANK PULSE AM LEVEL
57 47 F
AFC
K
58 AM/FM LEVEL
L M N O P 120 k IFAMP2 Q 63 64 12 11 10 9 8 7 6 5 4 3 330 22 nF 220 nF 100 nF IF1GND 100 nF 100 nF 22 F 22 nF 2 1 L2 22 220 nF 59
AM MIXER2
x
FM LIMITER/ LEVEL
CRYSTAL OSCILLATOR
60 61 62
20.5 MHz
R
L1: P7PSG-X398 L2: P7PSGAE-5078D = S L3: 392BC-1977Z L4: E543SNAS-02010 L5: 611SNS-1066Y L6: 369INS-3076X L7: MURATA LQN L8: MURATA LQN (1): series NP0 coaxial connector test pin jumper
SFE10.7 MS3 S 100 nF 100 nF 304
SFR 450H 100 nF 2 k
SFE10.7 MS3 100 nF 100 nF 304 100 nF
to TEA6880H
330
52
2
47
330
2
52
2 k
FM IF1 output
FM IF2 AM IF2 input input
FM IF2 output
limiter input
AM IF output
MHB896
Fig.10 Test circuit (continued from Fig.9).
2001 Apr 12
37
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
Table 25 DC operating points
TEA6845AH; TEA6845H
UNLOADED DC VOLTAGE (V) SYMBOL PIN MIN. CAGC FMLIMDEC FMLIMIN AMIF2DEC IFAMP2OUT AMNBHOLD AMIF2IN IF1GND IFAMP2IN Coffset IFAMP2DEC IFAMP1OUT IFAMP1IN VDDA6 IFAMP1DEC MIX1OUT1 MIX1OUT2 VDDA5 AMMIX1IN1 AMMIX1IN2 T1AMAGC T2AMAGC IAMAGC Vref(FMMIX) FMMIXIN1 RFGND FMMIXIN2 IFMAGC T2FMAGC T1FMAGC DAAOUT DAATD DAAIN Vtune CPOUT VDDA4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 3.6 2.5 2.5 2.4 7.2 4.3 2.4 external 0 3 floating 3 7.2 2.4 external 8.5 2.4 external 8.5 external 8.5 external 8.5 2.3 2.3 0 2.5 open-collector 2.7 1 external 0 1 floating 7.5 floating - floating 0 0 0 external 8.5 - - - 8.5 8.5 8.5 0.2 0.3 8 8.3 1.3 1.6 3.1 1.3 3.4 1.6 2.75 2.75 2.8 2.8 3.1 3.1 4.6 3.1 2.7 3 4 7.9 2.7 5 - 3 4 5 4.3 3 3 2.7 7.9 4.6 2.7 AM MODE TYP. 4.8 3.5 3.5 3.2 - 5.1 3.2 MAX. 4.1 2.5 2.5 floating 3.4 8 floating external 0 2.7 3 2.7 3.6 2.3 external 8.5 2.3 external 8.5 external 8.5 external 8.5 floating floating 0 (no WX) floating open-collector 6.5 2.3 external 0 2.3 1.5 (external biasing) 3.9 1 0.2 0.2 0 0 0 external 8.5 2.8 - 4.6 - - - - - - 3.3 4 (external biasing) 5.3 7 8.25 1.5 8.5 8.5 8.5 7.1 2.8 7.9 3.3 0.3 (no WX) 0.5 (no WX) 2.7 3.1 3.1 3.5 3.1 4 2.7 3.5 4 3.5 4.4 3.1 3.9 8.4 4.4 - MIN. 4.6 2.8 2.8 FM MODE TYP. 5.1 3.1 3.1 MAX.
2001 Apr 12
38
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
UNLOADED DC VOLTAGE (V) SYMBOL PIN MIN. fref VDDD DGND VCOGND OSCFDB OSCTNK VDDA3 AFSAMPLE AFHOLD TRDSMUTE AMAFIF2 RDSMPX FMMPX VDDA2 VDDA1 SDA SCL IF2GND QDET1 QDET2 CAFC Vlevel XTAL1 XTALGND XTAL2 Iref AMMIX2OUT1 AMMIX2OUT2 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 3.2 external 5 external 0 external 0 2.2 5 external 8.5 0 open-collector 1.9 4 floating floating external 5 external 8.5 4.8 4.8 external 0 floating floating floating 0.05 1.7 external 0 1.7 4 external 8.5 external 8.5 2.1 4.25 2.5 4.5 - 2.1 7 2.5 5 5 5.2 5.2 2.2 4.3 2.5 4.6 0.2 0.5 2.8 6.1 3.4 7.2 3.4 AM MODE TYP. 3.7 MAX. 3.2 external 5 external 0 external 0 2.2 5 external 8.5 0 open-collector 0.7 (muted) floating 2.6 3 external 5 external 8.5 4.8 4.8 external 0 3.6 3.6 1.2 0 1.7 external 0 1.7 4 external 8.5 external 8.5 2.1 4.25 2.5 4.5 4.1 4.1 3.4 - 2.1 4.6 4.6 4.1 7 2.5 5 5 5.2 5.2 3.1 3.5 3.3 4 1.2 (muted) 1.7 (muted) 5.2 (not muted) 5.7 (not muted) 6.2 (not muted) 0.2 0.5 2.8 6.1 3.4 7.2 MIN. 3.4 FM MODE TYP. 3.7 MAX.
2001 Apr 12
39
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
14 PACKAGE OUTLINES
TEA6845AH; TEA6845H
QFP64: plastic quad flat package; 64 leads (lead length 1.95 mm); body 14 x 20 x 2.8 mm
SOT319-2
c
y X
51 52
33 32 ZE
A
e E HE A A2 A1 (A 3) Lp bp 64 1 wM D HD ZD B vM B 19 vMA 20 detail X L
pin 1 index
wM
e
bp
0
5 scale
10 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A max. 3.20 A1 0.25 0.05 A2 2.90 2.65 A3 0.25 bp 0.50 0.35 c 0.25 0.14 D (1) 20.1 19.9 E (1) 14.1 13.9 e 1 HD 24.2 23.6 HE 18.2 17.6 L 1.95 Lp 1.0 0.6 v 0.2 w 0.2 y 0.1 Z D (1) Z E (1) 1.2 0.8 1.2 0.8 7 0o
o
Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT319-2 REFERENCES IEC JEDEC MO-112 EIAJ EUROPEAN PROJECTION
ISSUE DATE 97-08-01 99-12-27
2001 Apr 12
40
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
QFP64: plastic quad flat package; 64 leads (lead length 1.95 mm); body 14 x 20 x 2.8 mm
SOT319-5
c
y X
51 52
33 32 ZE
A
e E HE A A2 A1 (A3) Lp L detail X
wM pin 1 index 64 1 wM D HD ZD B vM B 19 vMA 20 bp
e
bp
0
5 scale
10 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A max. 3.40 A1 0.60 0.25 A2 3.05 2.55 A3 0.25 bp 0.50 0.35 c 0.23 0.11 D(1) 20.1 19.9 E(1) 14.1 13.9 e 1.0 HD 24.2 23.6 HE 18.2 17.6 L 1.95 Lp 1.03 0.73 v 0.20 w 0.2 y 0.10 ZD(1) ZE(1) 1.23 0.78 1.23 0.78 7 0o
o
Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT319-5 REFERENCES IEC JEDEC MO-112CA1 EIAJ EUROPEAN PROJECTION
ISSUE DATE 99-06-03
2001 Apr 12
41
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
15 SOLDERING 15.1 Introduction to soldering surface mount packages
TEA6845AH; TEA6845H
If wave soldering is used the following conditions must be observed for optimal results: * Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave. * For packages with leads on two sides and a pitch (e): - larger than or equal to 1.27 mm, the footprint longitudinal axis is preferred to be parallel to the transport direction of the printed-circuit board; - smaller than 1.27 mm, the footprint longitudinal axis must be parallel to the transport direction of the printed-circuit board. The footprint must incorporate solder thieves at the downstream end. * For packages with leads on four sides, the footprint must be placed at a 45 angle to the transport direction of the printed-circuit board. The footprint must incorporate solder thieves downstream and at the side corners. During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Typical dwell time is 4 seconds at 250 C. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. 15.4 Manual soldering
This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our "Data Handbook IC26; Integrated Circuit Packages" (document order number 9398 652 90011). There is no soldering method that is ideal for all surface mount IC packages. Wave soldering can still be used for certain surface mount ICs, but it is not suitable for fine pitch SMDs. In these situations reflow soldering is recommended. 15.2 Reflow soldering
Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. Several methods exist for reflowing; for example, convection or convection/infrared heating in a conveyor type oven. Throughput times (preheating, soldering and cooling) vary between 100 and 200 seconds depending on heating method. Typical reflow peak temperatures range from 215 to 250 C. The top-surface temperature of the packages should preferable be kept below 220 C for thick/large packages, and below 235 C for small/thin packages. 15.3 Wave soldering
Conventional single wave soldering is not recommended for surface mount devices (SMDs) or printed-circuit boards with a high component density, as solder bridging and non-wetting can present major problems. To overcome these problems the double-wave soldering method was specifically developed.
Fix the component by first soldering two diagonally-opposite end leads. Use a low voltage (24 V or less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 C.
2001 Apr 12
42
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
15.5
TEA6845AH; TEA6845H
Suitability of surface mount IC packages for wave and reflow soldering methods SOLDERING METHOD PACKAGE WAVE REFLOW(1) suitable suitable suitable suitable suitable
BGA, LFBGA, SQFP, TFBGA HBCC, HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, SMS PLCC(3), SO, SOJ LQFP, QFP, TQFP SSOP, TSSOP, VSO Notes
not suitable not not not suitable(2) recommended(3)(4) recommended(5) suitable
1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size of the package, there is a risk that internal or external package cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the Drypack information in the "Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods". 2. These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink (at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version). 3. If wave soldering is considered, then the package must be placed at a 45 angle to the solder wave direction. The package footprint must incorporate solder thieves downstream and at the side corners. 4. Wave soldering is only suitable for LQFP, TQFP and QFP packages with a pitch (e) equal to or larger than 0.8 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm. 5. Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm. 16 DATA SHEET STATUS DATA SHEET STATUS(1) Objective data PRODUCT STATUS(2) Development DEFINITIONS This data sheet contains data from the objective specification for product development. Philips Semiconductors reserves the right to change the specification in any manner without notice. This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date. Philips Semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product. This data sheet contains data from the product specification. Philips Semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. Changes will be communicated according to the Customer Product/Process Change Notification (CPCN) procedure SNW-SQ-650A.
Preliminary data
Qualification
Product data
Production
Notes 1. Please consult the most recently issued data sheet before initiating or completing a design. 2. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com.
2001 Apr 12
43
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
17 DEFINITIONS Short-form specification The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. 19 PURCHASE OF PHILIPS I2C COMPONENTS
TEA6845AH; TEA6845H
18 DISCLAIMERS Life support applications These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no licence or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified.
Purchase of Philips I2C components conveys a license under the Philips' I2C patent to use the components in the I2C system provided the system conforms to the I2C specification defined by Philips. This specification can be ordered using the code 9398 393 40011.
2001 Apr 12
44
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
NOTES
TEA6845AH; TEA6845H
2001 Apr 12
45
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
NOTES
TEA6845AH; TEA6845H
2001 Apr 12
46
Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
NOTES
TEA6845AH; TEA6845H
2001 Apr 12
47
Philips Semiconductors - a worldwide company
Argentina: see South America Australia: 3 Figtree Drive, HOMEBUSH, NSW 2140, Tel. +61 2 9704 8141, Fax. +61 2 9704 8139 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 1 60 101 1248, Fax. +43 1 60 101 1210 Belarus: Hotel Minsk Business Center, Bld. 3, r. 1211, Volodarski Str. 6, 220050 MINSK, Tel. +375 172 20 0733, Fax. +375 172 20 0773 Belgium: see The Netherlands Brazil: see South America Bulgaria: Philips Bulgaria Ltd., Energoproject, 15th floor, 51 James Bourchier Blvd., 1407 SOFIA, Tel. +359 2 68 9211, Fax. +359 2 68 9102 Canada: PHILIPS SEMICONDUCTORS/COMPONENTS, Tel. +1 800 234 7381, Fax. +1 800 943 0087 China/Hong Kong: 501 Hong Kong Industrial Technology Centre, 72 Tat Chee Avenue, Kowloon Tong, HONG KONG, Tel. +852 2319 7888, Fax. +852 2319 7700 Colombia: see South America Czech Republic: see Austria Denmark: Sydhavnsgade 23, 1780 COPENHAGEN V, Tel. +45 33 29 3333, Fax. +45 33 29 3905 Finland: Sinikalliontie 3, FIN-02630 ESPOO, Tel. +358 9 615 800, Fax. +358 9 6158 0920 France: 7 - 9 Rue du Mont Valerien, BP317, 92156 SURESNES Cedex, Tel. +33 1 4728 6600, Fax. +33 1 4728 6638 Germany: Hammerbrookstrae 69, D-20097 HAMBURG, Tel. +49 40 2353 60, Fax. +49 40 2353 6300 Hungary: Philips Hungary Ltd., H-1119 Budapest, Fehervari ut 84/A, Tel: +36 1 382 1700, Fax: +36 1 382 1800 India: Philips INDIA Ltd, Band Box Building, 2nd floor, 254-D, Dr. Annie Besant Road, Worli, MUMBAI 400 025, Tel. +91 22 493 8541, Fax. +91 22 493 0966 Indonesia: PT Philips Development Corporation, Semiconductors Division, Gedung Philips, Jl. Buncit Raya Kav.99-100, JAKARTA 12510, Tel. +62 21 794 0040 ext. 2501, Fax. +62 21 794 0080 Ireland: Newstead, Clonskeagh, DUBLIN 14, Tel. +353 1 7640 000, Fax. +353 1 7640 200 Israel: RAPAC Electronics, 7 Kehilat Saloniki St, PO Box 18053, TEL AVIV 61180, Tel. +972 3 645 0444, Fax. +972 3 649 1007 Italy: PHILIPS SEMICONDUCTORS, Via Casati, 23 - 20052 MONZA (MI), Tel. +39 039 203 6838, Fax +39 039 203 6800 Japan: Philips Bldg 13-37, Kohnan 2-chome, Minato-ku, TOKYO 108-8507, Tel. +81 3 3740 5130, Fax. +81 3 3740 5057 Korea: Philips House, 260-199 Itaewon-dong, Yongsan-ku, SEOUL, Tel. +82 2 709 1412, Fax. +82 2 709 1415 Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA, SELANGOR, Tel. +60 3 750 5214, Fax. +60 3 757 4880 Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905, Tel. +9-5 800 234 7381, Fax +9-5 800 943 0087 Middle East: see Italy Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB, Tel. +31 40 27 82785, Fax. +31 40 27 88399 New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND, Tel. +64 9 849 4160, Fax. +64 9 849 7811 Norway: Box 1, Manglerud 0612, OSLO, Tel. +47 22 74 8000, Fax. +47 22 74 8341 Pakistan: see Singapore Philippines: Philips Semiconductors Philippines Inc., 106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI, Metro MANILA, Tel. +63 2 816 6380, Fax. +63 2 817 3474 Poland: Al.Jerozolimskie 195 B, 02-222 WARSAW, Tel. +48 22 5710 000, Fax. +48 22 5710 001 Portugal: see Spain Romania: see Italy Russia: Philips Russia, Ul. Usatcheva 35A, 119048 MOSCOW, Tel. +7 095 755 6918, Fax. +7 095 755 6919 Singapore: Lorong 1, Toa Payoh, SINGAPORE 319762, Tel. +65 350 2538, Fax. +65 251 6500 Slovakia: see Austria Slovenia: see Italy South Africa: S.A. PHILIPS Pty Ltd., 195-215 Main Road Martindale, 2092 JOHANNESBURG, P.O. Box 58088 Newville 2114, Tel. +27 11 471 5401, Fax. +27 11 471 5398 South America: Al. Vicente Pinzon, 173, 6th floor, 04547-130 SAO PAULO, SP, Brazil, Tel. +55 11 821 2333, Fax. +55 11 821 2382 Spain: Balmes 22, 08007 BARCELONA, Tel. +34 93 301 6312, Fax. +34 93 301 4107 Sweden: Kottbygatan 7, Akalla, S-16485 STOCKHOLM, Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZURICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 5F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2451, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 60/14 MOO 11, Bangna Trad Road KM. 3, Bagna, BANGKOK 10260, Tel. +66 2 361 7910, Fax. +66 2 398 3447 Turkey: Yukari Dudullu, Org. San. Blg., 2.Cad. Nr. 28 81260 Umraniye, ISTANBUL, Tel. +90 216 522 1500, Fax. +90 216 522 1813 Ukraine: PHILIPS UKRAINE, 4 Patrice Lumumba str., Building B, Floor 7, 252042 KIEV, Tel. +380 44 264 2776, Fax. +380 44 268 0461 United Kingdom: Philips Semiconductors Ltd., 276 Bath Road, Hayes, MIDDLESEX UB3 5BX, Tel. +44 208 730 5000, Fax. +44 208 754 8421 United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409, Tel. +1 800 234 7381, Fax. +1 800 943 0087 Uruguay: see South America Vietnam: see Singapore Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD, Tel. +381 11 3341 299, Fax.+381 11 3342 553
For all other countries apply to: Philips Semiconductors, Marketing Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825 (c) Philips Electronics N.V. 2001
Internet: http://www.semiconductors.philips.com
SCA 72
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
753503/01/pp48
Date of release: 2001
Apr 12
Document order number:
9397 750 07488

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