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INTEGRATED CIRCUITS
DATA SHEET
TDA8566Q 2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
Product specification Supersedes data of 1996 Apr 11 File under Integrated Circuits, IC01 1998 Sep 23
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
FEATURES * Differential inputs * Very high Common Mode Rejection Ratio (CMRR) * High common mode input signal handling * Requires very few external components * High output power * 4 and 2 load driving capability * Low offset voltage at output * Fixed gain * Diagnostic facility (distortion, short-circuit and temperature pre-warning) * Good ripple rejection * Mode select switch (operating, mute and standby) * Load dump protection * Short-circuit proof to ground, to VP and across the load * Low power dissipation in any short-circuit condition QUICK REFERENCE DATA SYMBOL VP IORM Iq(tot) Istb Isw Zi Pout SVRR cs CMRR Gv Vno Vos PARAMETER operating supply voltage repetitive peak output current total quiescent current stand-by current switch-on current input impedance output power supply voltage ripple rejection channel separation common mode rejection ratio closed loop voltage gain noise output voltage DC output offset voltage Rs = 0 RL = 4 : THD = 10% RL = 2 : THD = 10% Rs = 0 Rs = 10 k CONDITIONS 6 - - - - 100 - - - - - 25 - - MIN. - 115 0.1 - 120 25 40 60 50 75 26 - - TYP. 14.4 GENERAL DESCRIPTION * Thermally protected * Reverse polarity safe
TDA8566Q
* Protected against electrostatic discharge * No switch-on/switch-off plop * Flexible leads * Low thermal resistance.
The TDA8566Q is an integrated class-B output amplifier contained in a 17-lead single-in-line (SIL; bent to DIL) plastic power package. The device contains two amplifiers in a Bridge-Tied Load configuration (BTL). The output power is 2 x 25 W in a 4 load or 2 x 40 W in a 2 load. It has a differential input stage and two diagnostic outputs. The device is primarily developed for car radio applications.
MAX. 18 7.5 - 100 40 - - - - - - 27 120 100
UNIT V A mA A A k W W dB dB dB dB V mV
ORDERING INFORMATION TYPE NUMBER TDA8566Q PACKAGE NAME DBS17P DESCRIPTION plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm) VERSION SOT243-1
1998 Sep 23
2
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
BLOCK DIAGRAM
TDA8566Q
VP1
handbook, full pagewidth
VP2 13
IN1+
1 + 2 -
mute switch
5 CM
IN1-
6 2.3 k + - 2.3 k mute switch (9x) CM VA
OUT1+
+ -
8 60 k 60 k 2.3 k + - 2.3 k (9x) n.c. 9 standby switch 14 VA
OUT1-
MODE
TDA8566Q
Vref SGND 3 1x DIAG mute reference voltage + 17 - 10 2.3 k + - 2.3 k mute switch (9x) CM VA OUT2+ mute switch 15 DIAG VA standby reference voltage mute switch
CLIP
4
CLIP
60 k IN2+ 16
60 k
CM
IN2-
+ -
12 2.3 k + - 2.3 k 11 7 (9x)
MGD105
VA
OUT2-
PGND2
PGND1
Fig.1 Block diagram.
1998 Sep 23
3
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
PINNING SYMBOL IN1+ IN1- SGND CLIP VP1 OUT1+ PGND1 OUT1- n.c. OUT2+ PGND2 OUT2- VP2 MODE DIAG IN2+ IN2- PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DESCRIPTION channel 1 input positive channel 1 input negative small signal ground clip-detection supply voltage 1 channel 1 speaker output positive channel 1 negative power supply (ground) channel 1 speaker output negative not connected channel 2 speaker output positive channel 2 negative power supply (ground) channel 2 speaker output negative supply voltage 2 mode select switch (stand-by/mute/operating) short-circuit and temperature pre-warning diagnostic channel 2 input positive channel 2 input negative
MGD101
TDA8566Q
handbook, halfpage
IN1+ IN1- SGND CLIP VP1 OUT1+ PGND1 OUT1- n.c.
1 2 3 4 5 6 7 8 9
TDA8566Q
OUT2+ 10 PGND2 11 OUT2- 12 VP2 13 MODE 14 DIAG 15 IN2+ 16 IN2- 17
Fig.2 Pin configuration. Since this pin has a very low input current (< 40 A), a low cost supply switch can be applied. To avoid switch-on plops, it is advisable to keep the amplifier in the mute mode for a period of 150 ms (charging the input capacitors at pins 1, 2, 16 and 17). This can be realized by microcontroller control or by an external timing circuit (see Fig.7). Clip detection (pin 4) When clipping occurs at one or more output stages, the dynamic distortion detector becomes active and pin 4 goes low. This information can be used to drive a sound processor or DC volume control to attenuate the input signal and so limit the level of distortion. The output level of pin 4 is independent of the number of channels that are being clipped. The clip detection circuit is disabled in a short-circuit condition, so if a fault condition occurs at the outputs, pin 4 will remain at a high level. The clip detection waveforms are illustrated in Fig.3.
FUNCTIONAL DESCRIPTION The TDA8566Q contains two identical amplifiers and can be used for BTL applications. The gain of each amplifier is fixed at 26 dB. Special features of this device are: 1. Mode select switch 2. Clip detection 3. Short-circuit diagnostic 4. Temperature pre-warning 5. Open-collector outputs 6. Differential inputs. Mode select switch (pin 14) * Standby: low supply current (< 100 A) * Mute: input signal suppressed * Operating: normal on condition.
1998 Sep 23
4
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
Short-circuit diagnostic (pin 15) When a short-circuit occurs at one or more outputs to ground or to the supply voltage, the output stages are switched off until the short-circuit is removed and the device is switched on again (with a delay of approximately 20 ms after the removal of the short-circuit). During this short-circuit condition, pin 15 is continuously low. When a short-circuit occurs across the load of one or both channels, the output stages are switched off for approximately 20 ms. After approximately 50 s the load condition is again checked to see if the short-circuit is still present. Due to this duty cycle of 50 s/20 ms the average current consumption during this short-circuit condition is very low (approximately 40 mA). During this short-circuit condition, pin 15 is low for 20 ms and high for 50 s (see Fig.4). The power dissipation in any short-circuit condition is very low. Temperature pre-warning (pin 15)
TDA8566Q
When the junction temperature (Tvj) reaches 145 C, pin 15 will become continuously low. Open-collector outputs Pins 4 and 15 are open-collector outputs, therefore more devices can be tied together. Pins 4 and 15 can also be tied together. An external pull-up resistor is required. Differential inputs The input stage is a high-impedance fully differential balanced input stage that is also capable of operating in a single-ended mode with one of the inputs capacitively coupled to an audio ground. It should be noted that if a source resistance is added (input voltage dividers) the CMRR degrades to lower values.
handbook, halfpage out
V
MGD103
0
V4 VP 0 t
Fig.3 Clip detection waveforms.
handbook, full pagewidthcurrent
in output stage
MGA707
V15 VP
short-circuit over the load 20 ms
t
t 50 s
Fig.4 Short-circuit diagnostic timing diagram.
1998 Sep 23
5
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VP PARAMETER supply voltage CONDITIONS operating non-operating during 50 ms; load dump protection trise 2.5 ms IOSM IORM Tstg Tvj Tamb Vpsc Vpr Ptot non-repetitive peak output current repetitive peak output current storage temperature virtual junction temperature operating ambient temperature short-circuit safe voltage reverse polarity total power dissipation - - - - - -55 - -40 - - - MIN.
TDA8566Q
MAX. 18 30 45 10 7.5 +150 +150 +85 18 6.0 60 V V V A A
UNIT
C C C V V W
QUALITY SPECIFICATION Quality specification in accordance with UZW-FQ-611-E, if this type is used as an audio amplifier. The number of the quality specification can be found in the "Quality Reference Handbook". The handbook can be ordered using the code 9397 750 00192. THERMAL CHARACTERISTICS Thermal characteristics in accordance with (IEC 747-1). SYMBOL Rth j-c Rth j-a PARAMETER thermal resistance from junction to case thermal resistance from junction to ambient in free air VALUE 1.3 40 UNIT K/W K/W
handbook, halfpage
output 1
output 2
virtual junction
2.2 K/W
2.2 K/W
0.2 K/W
MEA861 - 1
case
Fig.5 Equivalent thermal resistance network.
1998 Sep 23
6
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
DC CHARACTERISTICS VP = 14.4 V; Tamb = 25 C; measured in test circuit of Fig.6; unless otherwise specified. SYMBOL Supply voltage VP Iq Vms(op) I14 Vo Vos Vms(mute) Vo Vos Vms(stb) Istb Diagnostic V15 Tvj Notes 1. The circuit is DC adjusted at VP = 6 to 18 V and AC operating at VP = 8.5 to 18 V. 2. At VP = 18 to 30 V the DC output voltage 0.5VP. diagnostic output voltage temperature pre-warning during any fault condition V15 = 0.6 V - - - 145 supply voltage quiescent current note 1 RL = 6 - 14.4 115 - 15 7.0 - - 7.0 - - 0.1 PARAMETER CONDITIONS MIN. TYP.
TDA8566Q
MAX.
UNIT
18 180
V mA
Operating condition mode select switch level mode select switch current output voltage output offset voltage V14 = 14.4 V note 2 8.5 - - - VP 40 - 100 V A V mV
Mute condition mode select switch level output voltage output offset voltage note 2 3.3 - - 6.4 - 100 V V mV
Standby condition mode select switch level standby current 0 - 2 100 V A
0.6 -
V C
AC CHARACTERISTICS VP = 14.4 V; Tamb = 25 C; RL = 4 ; fi = 1 kHz; measured in test circuit of Fig.6; unless otherwise specified. SYMBOL Pout PARAMETER output power CONDITIONS THD = 0.5% THD = 10% THD = 30% THD Pout B fl fh Gv total harmonic distortion output power power bandwidth low frequency roll off high frequency roll off closed loop voltage gain Pout = 1 W VP = 13.5 V; THD = 0.5% VP = 13.5 V; THD = 10% THD = 0.5%; Pout = -1 dB with respect to 16 W -1 dB, note 1 -1dB MIN. 16 21 28 - - - - - 20 25 19 25 35 0.05 14 22 20 to 20000 25 - 26 TYP. - - - - - - - - - 27 MAX. UNIT W W W % W W Hz Hz kHz dB
1998 Sep 23
7
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
SYMBOL SVRR PARAMETER supply voltage ripple rejection CONDITIONS on; note 2 mute; note 2 standby; note 2 Zi Zi Vno input impedance input impedance mismatch noise output voltage on; B = 20 Hz to 20 kHz; Rs = 0 on; B = 20 Hz to 20 kHz; Rs = 10 k mute; B = 20 Hz to 20 kHz; independent of Rs cs Gv Vo THD CMRR Pout channel separation channel unbalance output signal voltage in mute total harmonic distortion common mode rejection ratio output power Vi = Vi(max) = 1 V (RMS) note 3; V4 = 0.6 V Rs = 0 ; note 4 Rs = 45 k, note 5 THD = 0.5%; RL = 2 THD = 10%; RL = 2 THD = 30%; RL = 2 VP = 13.5 V; THD = 0.5%; RL = 2 VP = 13.5 V; THD = 10%; RL = 2 THD Notes 1. Frequency response externally fixed. 2. Vripple = Vripple(max) = 2 V (p-p), Rs = 0 . 3. Dynamic Distortion Detector (DDD) active, pin 4 is low. 4. Common mode rejection ratio measured at the output (over RL) with both inputs tied together, Vcommon 3.5 V (RMS), f = 100 Hz to 10 kHz, Rs = 0 . total harmonic distortion Pout = 1 W; RL = 2 Pout = 16 W; Rs = 10 k differential single-ended MIN. 50 50 80 100 50 - - - - 45 - - - 60 40 - - - - - - - - - 120 60 2 85 100 60 - - - 8 75 - 30 40 55 25 35 0.1 TYP.
TDA8566Q
MAX. - - - 150 75 - 120 - - - 1 2 - - - - - - - - -
UNIT dB dB dB k k % V V V dB dB mV % dB dB W W W W W %
5. Common mode rejection ratio measured at the output (over RL) with both inputs tied together, Vcommon 3.5 V (RMS), f = 1 kHz, Rs = 45 k. The mismatch of the input coupling capacitors is excluded.
1998 Sep 23
8
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
TEST AND APPLICATION INFORMATION
TDA8566Q
handbook, full pagewidth
+ Vmode _ +1 Rs/2 220 nF 60 k 14 + - 5 13 6+ 100 nF 2200 F/16V
+V P= _ 14.4 V
Vin1 Rs/2 220 nF _2 60 k - +
TDA8566Q
8_
RL1 VP 10 k VP 10 k CLIP
Vref + 3 + 16 Rs/2 Vin2 Rs/2 220 nF 60 k _ 17 - + 220 nF 60 k - + -
CLIP DETECTOR DIAGNOSTIC INTERFACE
4
15
DIAG
10 +
RL2 12 _ 7 11
MGD104
Fig.6 Stereo BTL test diagram.
Application notes DIAGNOSTIC OUTPUT Special care must be taken in the PCB layout to separate pin 4 from pins 1, 2, 16 and 17 to minimize the crosstalk between the CLIP output and the inputs. MODE SELECT SWITCH To avoid switch on plops, it is advisable to keep the amplifier in the mute mode during 150 ms (charging of the input capacitors at pins 1, 2, 16 and 17). The circuit in Fig.7 slowly ramps-up the voltage at the mode select switch pin when switching on and results in fast muting when switching off.
+Vsupply
handbook, halfpage
S
10 k
100
47 F
mode select switch 100 k
MGD102
Fig.7 Mode select switch circuit.
1998 Sep 23
9
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
PACKAGE OUTLINE DBS17P: plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm)
TDA8566Q
SOT243-1
non-concave D x Dh
Eh
view B: mounting base side
d
A2
B j E A
L3
L
Q c vM
1 Z e e1 bp wM
17 m e2
0
5 scale
10 mm
DIMENSIONS (mm are the original dimensions) UNIT mm Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT243-1 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION A 17.0 15.5 A2 4.6 4.2 bp 0.75 0.60 c 0.48 0.38 D (1) 24.0 23.6 d 20.0 19.6 Dh 10 E (1) 12.2 11.8 e 2.54 e1 e2 Eh 6 j 3.4 3.1 L 12.4 11.0 L3 2.4 1.6 m 4.3 Q 2.1 1.8 v 0.8 w 0.4 x 0.03 Z (1) 2.00 1.45
1.27 5.08
ISSUE DATE 95-03-11 97-12-16
1998 Sep 23
10
Philips Semiconductors
Product specification
2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs
SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. 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" (order code 9398 652 90011). Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values
TDA8566Q
time of successive solder waves must not exceed 5 seconds. The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. Repairing soldered joints Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300 C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400 C, contact may be up to 5 seconds.
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications.
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). 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 Where application information is given, it is advisory and does not form part of the specification. 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 customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
1998 Sep 23
11
Philips Semiconductors - a worldwide company
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For all other countries apply to: Philips Semiconductors, International Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825 (c) Philips Electronics N.V. 1998
SCA60
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
545102/750/03/pp12
Date of release: 1998 Sep 23
Document order number:
9397 750 04335

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