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NJW1143 AUDIO PROCESSOR s GENERAL DESCRIPTION The NJW1143 is an audio processor which includes volume, balance, tone control, surround, simulated stereo and AGC function. Also the NJW1143 features high precision characteristics about channel balance, it is less than 1.0dB at -70dB attenuation. 2 All of internal status and variables are controlled by I C BUS. Selectable 4-slave address is applicable to multi-speaker system. It is suitable for any TV set. s PACKAGE OUTLINE NJW1143M s FEATURES q Operating Voltage 8 to 13V 2 q I C BUS Interface (Fast mode applicable, Selectable 4-Slave address, 3V I/F applicable) q Low Output Noise 2 q AGC Circuit (Selectable 4-stage compression level via I C BUS) q "eala" (NJRC Surround) q Simulated Surround q Bi-CMOS Technology q Package Outline DMP24 s BLOCK DIAGRAM AGC SRFIL TONE TONE -Ha -La OUTa CVO CBA CTH CTL I C Bus Interface 2 INa VOL1 TONE VOL2 CSR AUX0 AUX1 ADR0 ADR1 SCL SDA AGC eala & Sim ulate Stereo INb VOL1 TONE VOL2 Bias V+ GND TONE TONE -Hb -Lb OUTb Vref -1- NJW1143 s PIN CONFIGURATION Ach Input Ach Output Ach Treble Filter Ach Bass Filter AGC Filter Pop Noise Reduction for Surround ON/OFF Control Pop Noise Reduction for Volume Control I C Slave Address Select 0 I C Slave Address Select 1 SDA Serial Data Input (I C BUS) SCL Serial Clock Input (I C BUS) Ground 2 2 2 2 1 2 3 4 5 6 7 8 9 10 11 12 IN1a OUTa TONE-Ha TONE-La AGC CSR CVO ADR0 ADR1 SDA SCL GND IN1b 24 OUTb 23 TONE-Hb 22 TONE-Lb 21 SR FIL 20 CBA 19 CTL 18 CTH 17 AUX1 16 AUX0 15 Vref 14 V+ 13 Bch Input Bch Output Bch Treble Filter Bch Bass Filter Surround Filter Pop Noise Reduction for Balance Control Pop Noise Reduction for BASS Control Pop Noise Reduction for Treble Control Auxiliary Output 1 Auxiliary Output 0 Reference Voltage Power Supply -2- NJW1143 s ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V + RATING 15 700 -20 to +75 -40 to +125 UNIT V mW C C PD Topr Tstg s ELECTRICAL CHARACTERISTICS (Ta=25C, V+=9V, Rg=600, RL=47k, Vin=100mVrms/1kHz, AGC=OFF, TONE=0dB, Surround=OFF unless otherwise specified) PARAMETER Operating Voltage Supply Current Reference Voltage Maximum Input Voltage Maximum Output Voltage Channel Balance 1 Channel Balance 2 Balance Boost A Balance Cut A Balance Boost B Balance Cut B Total Harmonic Distortion Maximum Gain Minimum Gain Channel Separation Output Noise 1 Output Noise 2 AUX Output Voltage SYMBOL V + TEST CONDITION MIN. 7.5 TYP. 9.0 13 4.5 3.0 2.5 0.0 0.0 0.0 0.0 0.0 -100 -80 -90 (31.6) -106 (5.0) - MAX. 13.0 25 5.0 1.0 1.0 2.0 -70 2.0 -70 0.3 2.0 -90 -70 -85 (56.2) -96 (15.8) 5.5 0.5 UNIT V mA V Vrms Vrms dB dB dB dB dB dB % dB dB dB dBV (Vrms) dBV (Vrms) ICC VREF VIM VOM GCB1 GCB2 BABST BACUT BBBST BBCUT THD GVMAX GVMIN CS VNO1 VNO2 VAUX No Signal No Signal VOL=-20dB,THD=10% OUTPUT VOL=0dB,THD=1% VOL=0dB VOL=-70dB, Vin=1Vrms CHS="0", BAL="11111" CHS="1", BAL="11111" Vin = 1Vrms CHS="1", BAL="11111" CHS="0", BAL="11111" Vin = 1Vrms Vo=0.5Vrms BW=400Hz to 30kHz VOL= 0dB VOL= MUTE, Vin=2Vrms Vin = 1Vrms A-weighting VOL = 0dB A-weighting VOL = MUTE A-weighting Logic Output: High Logic Output: Low 4.0 2.8 -1.0 -1.0 -2.0 -2.0 -2.0 4.5 0 V BW: Band Width -3- NJW1143 s ELECTRICAL CHARACTERISTICS (Ta=25C, V+=9V, Rg=600, RL=47k, Vin=100mVrms/1kHz, TONE CONTROL PARAMETER High Frequency Boost High Frequency Flat High Frequency Cut Low Frequency Boost Low Frequency Flat Low Frequency Cut SYMBOL HFBST HFFLT HFCUT LFBST LFFLT LFCUT AGC=OFF, TONE=0dB, Surround=OFF unless otherwise specified) TEST CONDITION BCT="1", TREB="1111", f=10kHz TREB="0000", f=10kHz BCT="0", TREB="1111", f=10kHz BCB="1", BASS="1111", f=100Hz BASS="0000", f=100Hz BCB="0", BASS="1111", f=100Hz MIN. 12.5 -2.0 -17.5 12.5 -2.0 -17.5 TYP. 15.0 0.0 -15.0 15.0 0.0 -15.0 MAX. 17.5 2.0 -12.5 17.5 2.0 -12.5 UNIT dB dB dB dB dB dB AGC CONTROL (AGC-ON) PARAMETER AGC Boost AGC Flat1 AGC Flat2 AGC Flat3 AGC Flat4 SYMBOL AGCBST AGCFLT1 AGCFLT2 AGCFLT3 AGCFLT4 TEST CONDITION Vin=50mVrms, f=1kHz Vin=100mVrms, f=1kHz Vin=200mVrms, f=1kHz Vin=300mVrms, f=1kHz Vin=400mVrms, f=1kHz MIN. 1.5 -2.5 -2.5 -2.5 -2.5 TYP. 3.5 0.0 0.0 0.0 0.0 MAX. 5.5 2.5 2.5 2.5 2.5 UNIT dB dB dB dB dB SURROUND (SURROUND-ON) PARAMETER Surround Gain1 Surround Gain2 Surround Gain3 Surround Gain4 Simulated Surround Gain1 Simulated Surround Gain2 SYMBOL SRGAIN1 SRGAIN2 SRGAIN3 SRGAIN 4 SRSIM1 SRSIM2 TEST CONDITION AinAout, f=100Hz SUR0="1", SUR="1" AinBout, f=100Hz SUR0="1", SUR="1" AinAout, f=100Hz SUR0="0", SUR="1" AinBout, f=100Hz SUR0="0", SUR="1" Ain+BinAout, f=1kHz SUR0="1", SUR="0" Ain+BinBout, f=1kHz SUR0="1", SUR="0" MIN. 6.0 1.6 10.0 7.5 1.0 1.0 TYP. 8.0 3.6 12.0 9.5 3.0 3.0 MAX. 10.0 5.6 14.0 11.5 5.0 5.0 UNIT dB dB dB dB dB dB -4- NJW1143 s I C BUS CHARACTERISTICS 2 2 (SDA, SCL) SYMBOL VIL VIH Vhys VOL tof tSP Ii Ci fSCL tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tr tf tSU:STO tBUF Cb VnL I C BUS Load Conditions: Pull up resistance 4k (Connected to +5V), Load capacitance 200pF (Connected to GND) PARAMETER Low Level Input Voltage High Level Input Voltage Hysteresis of Schmitt trigger inputs Low level output voltage (3mA at SDA pin) Output fall time from VIHmin to VILmax with a bus capacitance from 10pF to 400pF Pulse width of spikes which must be suppressed by the input filter Input current each I/O pin with an input voltage between 0.1VDD and 0.9VDDmax Capacitance for each I/O pin SCL clock frequency Hold time (repeated) START condition. Low period of the SCL clock High period of the SCL clock Set-up time for a repeated START condition Data hold time Data set-up time Rise time of both SDA and SCL signals Fall time of both SDA and SCL signals Set-up time for STOP condition Bus free time between a STOP and START condition Capacitive load for each bus line Noise margin at the Low level Noise margin at the High level Standard mode MIN. 0.0 2.7 0 -10 4.0 4.7 4.0 4.7 0 250 4.0 4.7 0.5 1 TYP. MAX. 1.5 5.0 0.4 250 10 10 100 3.45 1000 300 400 MIN. 0.0 2.7 0.25 0 Fast mode TYP. MAX. 1.5 5.0 0.4 250 50 10 10 400 0.9 300 300 400 - UNIT V V V V ns ns A pF kHz s s s s s ns ns ns s s pF V 20 +0.1Cb 0 -10 0.6 1.3 0.6 0.6 0 100 0.6 1.3 0.5 1 VnH V Cb ; total capacitance of one bus line in pF. SDA tf tr tSU:DAT tf tHD:STA tSP tr tBUF SCL tHD:STA S tLOW tHD:DAT tHIGH tSU:STA Sr tSU:STO P S -5- NJW1143 TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE 1 24 INa INb Ach Input terminal Bch Input terminal 100k REF V /2 + 2 23 OUTa OUTb Ach Output terminal Bch Output terminal FB 50 V /2 + 32k 3 22 TONE-Ha TONE-Hb Ach Treble Filter terminal Bch Treble Filter terminal 32k V /2 + 12k 4 21 TONE-La TONE-Lb Ach Bass Filter terminal Bch Bass Filter terminal FB 12k V /2 + 5 AGC Capacitor connection terminal for AGC attack and recovery time setting 12k 400 400 1.4V -6- NJW1143 TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE 6 CSR Pop Noise Reduction for Surround ON/OFF Control 32k V /2 + 7 CVO Pop Noise Reduction for Volume Control 8k V /2 + 8 9 ADR0 ADR1 I C Slave Address Select 0 I C Slave Address Select 1 2 2 - 4k 10 11 SDA SCL SDA Serial Data Input (I C BUS) SDA Serial Clock Input (I C BUS) 2 2 12k 12 GND Ground terminal - - 13 V+ Power Supply terminal - - -7- NJW1143 TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE 14 Vref Reference Voltage terminal FB V /2 + 15 16 AUX0 AUX1 Auxiliary 2 values voltage Output terminal 0 Auxiliary 2 values voltage Output terminal 1 50 17 18 19 CTH CTL CBA Pop Noise Reduction for Bass Control Pop Noise Reduction for Treble Control Pop Noise Reduction for Balance Control V /2 + 36k 12k + 20 SRFIL Surround filter terminal FB 4k V /2 -8- NJW1143 s APPLICATION CIRCUIT 0.1F + 1 2 INa OUTa TONE-Ha TONE-La AGC CVO CSR ADR0 ADR1 SDA SCL GND INb 24 0.1F + 2.2nF 100nF 330nF 1F + 1F + 1F + OUTb 23 TONE-Hb 22 TONE-Lb 21 SR FIL 20 CBA CTH CTL 19 18 17 2.2nF 100nF 330nF 1F 1F + + 3 4 5 6 7 8 9 AUX1 16 AUX0 15 Vref 14 V+ 13 + 22F 1F + 3.9k 10 3.9k 11 12 (NOTE) Separate the I C bus line from the following terminals for avoiding digital noise problem. Pin No. Symbol Pin No. Symbol Pin No. Symbol 3 TONE-Ha 20 SR FIL 22 TONE-Hb 4 TONE-La 21 TONE-Lb - 2 -9- NJW1143 s DEFINITION OF I C REGISTER 2 q I C BUS FORMAT MSB LSB MSB LSB MSB LSB 2 S 1bit Slave Address 8bit A 1bit Select Address 8bit A 1bit Data 8bit A P 1bit 1bit S: Starting Term A: Acknowledge Bit P: Ending Term q SLAVE ADDRESS MSB LSB 1 0 0 0 0 ADR1 ADR0 R/W ADR0, ADR1: Hardware pin programmable address bits 80(h), 82(h), 84(h), 86(h) R/W=0: Write mode for register setting R/W=1: Not available q CONTROL REGISTER TABLE The select address sets each function (Volume, Balance, AGC, Tone Control, Surround etc.). The auto-increment function cycles the select address as follows. 00H01H02H03H00H Select Address 00H 01H 02H 03H CHS BCB BCT BASS TREB BAL AGC-SW Don't Care BIT D7 D6 D5 D4 VOL SUR AGC-FLAT AUX1 AUX0 D3 D2 D1 D0 q CONTROL REGISTER DEFAULT VALUE Control register default value is all "0". Select Address 00H 01H 02H 03H BIT D7 0 0 0 0 D6 0 0 0 0 D5 0 0 0 0 D4 0 0 0 0 D3 0 0 0 0 D2 0 0 0 0 D1 0 0 0 0 D0 0 0 0 0 - 10 - NJW1143 s I C CONTROL COMMAND DESCRIPTION qMASTER VOLUME CONTROL Select Address 00H BIT D7 D6 D5 D4 VOL D3 D2 D1 D0 2 The volume controls both Ach and Bch by the 0.5dB step. The volume is consisted of volume1 and volume2. The level is divided into half to each volume1 and volume2. qBALANCE, AGC AND INPUT SELECTOR SETTINGS Select Address 01H BIT D7 CHS D6 D5 D4 BAL D3 D2 D1 SUR D0 *CHS: Channel select for balance control "0": Ach "Bch is attenuated" "1": Bch "Ach is attenuated" *BAL: Balance control for both Ach and Bch (1dB/Step) The balance is consisted of volume2 alone. Volume1 does not operate on balance. *SUR : Surround Setting SUR Surround Setting Remarks D1 D0 Surround OFF 0 0 Input through Simulated Stereo mode 0 1 For monaural signal input only "eala" High mode 1 0 Surround Effect Small ( 8.0dB typ. ) "eala" Low mode 1 1 Surround Effect Large (12.0dB typ. ) qTONE CONTROL (Bass) and AGC SETTINGS Select Address 02H BIT D7 BCB D6 D5 BASS D4 D3 D2 AGC-SW D1 D0 AGC-FLAT *BCB : Bass Boost or Cut "0" : Cut "1" : Boost *BASS : BASS Level Cut Level : -15 to 0dB(1dB/Step) Boost Level : 0 to +15dB(1dB/Step) *AGC-SW : AGC ON/OFF Switch "0" : AGC OFF "1" : AGC ON (Default : 100mVrms) *AGC-FLAT : AGC Flat Level AGC Flat Level 100mVrms 200mVrms 300mVrms 400mVrms AGC-FLAT D1 0 0 1 1 D0 0 1 0 1 - 11 - NJW1143 qTONE CONTROL (Treble) and FOCUS EFFECT SETTINGS Select Address 03H BIT D7 BCT D6 D5 TREB D4 D3 D2 Don't Care D1 AUX1 D0 AUX0 *BCT : Treble Boost or Cut "0" : Cut "1" : Boost *TREB : Treble Level Cut Level : -15 to 0dB(1dB/Step) *AUX1/AUX0: Auxiliary port High/Low "0": Logic output "Low" "1": Logic output "High" - 12 - NJW1143 s Master Volume (Select Address: 00H) VOL Gain(dB) 0 -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 -41 -42 HEX FF FD FB F9 F7 F5 F3 F1 EF ED EB E9 E7 E5 E3 E1 DF DD DB D9 D7 D5 D3 D1 CF CD CB C9 C7 C5 C3 C1 BF BD BB B9 B7 B5 B3 B1 AF AD AB D7 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 D5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 D4 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 D3 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 D2 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 D1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 D0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - 13 - NJW1143 MASTER VOLUME (Cont'd) VOL Gain(dB) -43 -44 -45 -46 -47 -48 -49 -50 -51 -52 -53 -54 -55 -56 -57 -58 -59 -60 -61 -62 -63 -64 -65 -66 -67 -68 -69 -70 -71 -72 -73 -74 -75 -76 -77 -78 -79 -80 -90 -100 Mute HEX A9 A7 A5 A3 A1 9F 9D 9B 99 97 95 93 91 8F 8D 8B 89 87 85 83 81 7F 7D 7B 79 77 75 73 71 6F 6D 6B 69 67 65 63 61 5F 4B 37 00 D7 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 D6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 D5 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0 D4 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 0 1 0 D3 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 0 D2 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 D1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 0 D0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 - 14 - NJW1143 s Balance (Select Address: 01H) Channel Setting Attenuated Bch Gain Attenuated Ach Gain CHS D7 0 1 BAL D4 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 Gain(dB) 0 -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 MUTE D6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D5 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D3 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 D2 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 - 15 - NJW1143 s Tone Control Bass (Select Address: 02H) Bass Cut or Boost Cut Boost BCB D7 0 1 BASS Cut Gain(dB) -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 Boost Gain(dB) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 D6 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 D5 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 D4 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 D3 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 s Tone Control Treble (Select Address: 03H) Treble Cut or Boost Cut Boost BCT D7 0 1 TREB Cut Gain(dB) -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 Boost Gain(dB) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 D6 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 D5 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 D4 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 D3 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 - 16 - NJW1143 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. - 17 - |
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