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NJW1143

New Japan Radio
Part Number NJW1143
Manufacturer New Japan Radio
Description AUDIO PROCESSOR
Published Oct 11, 2006
Detailed Description www.DataSheet4U.com NJW1143 AUDIO PROCESSOR s GENERAL DESCRIPTION The NJW1143 is an audio processor which includes vol...
Datasheet PDF File NJW1143 PDF File

NJW1143
NJW1143


Overview
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 ...



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