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NJW1143 Dataheets PDF



Part Number NJW1143
Manufacturers New Japan Radio
Logo New Japan Radio
Description AUDIO PROCESSOR
Datasheet NJW1143 DatasheetNJW1143 Datasheet (PDF)

www.DataSheet4U.com 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 .

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www.DataSheet4U.com 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 DataSheet4U.com s BLOCK DIAGRAM DataShee 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 DataSheet4U.com -1- www.DataSheet4U.com 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 DataSheet4U.com 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 et4U.com AUX0 15 Vref 14 V+ 13 DataShee DataSheet4U.com -2- www.DataSheet4U.com NJW1143 s ABSOLUTE MAXIMUM RATING (Ta=25°C) 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=25°C, V+=9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz, 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 + AGC=OFF, TONE=0dB, Surround=OFF unless otherwise specified) 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 (µVrms) dBV (µVrms) TEST CONDITION 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 4.0 2.8 -1.0 -1.0 -2.0 -2.0 -2.0 4.5 0 et4U.com DataSheet4U.com 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 DataShee V BW: Band Width DataSheet4U.com -3- www.DataSheet4U.com NJW1143 s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+=9V, Rg=600Ω, RL=47kΩ, 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 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 et4U.com DataSheet4U.com Ain→ Aout, f=100Hz SUR0=”1”, SUR=”1” Ain→Bout, f=100Hz SUR0=”1”, SUR=”1” Ain→Aout, f=100Hz SUR0=”0”, SUR=”1” Ain→Bout, f=100Hz SUR.


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