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NJW1142

Part Number	NJW1142
Manufacturer	New Japan Radio
Description	AUDIO PROCESSOR
Published	Oct 11, 2006
Detailed Description	www.DataSheet4U.com NJW1142 PRELIMINARY AUDIO PROCESSOR s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJW1142 is a sound...
Datasheet	NJW1142 PDF File

Overview

www.
DataSheet4U.
com NJW1142 PRELIMINARY AUDIO PROCESSOR s GENERAL DESCRIPTION s PACKAGE OUTLINE The NJW1142 is a sound processor includes all of the functions required to process the audio signal for TV, such as tone control, balance, volume, mute, and AGC functions.
Also the NJW1142 performs eala (NJRC Original Surround) which is regenerated 3D surround sound with only two speakers.
2 All of the internal status and variables are controlled by I C BUS interface.
NJW1142M s FEATURES q Operating Voltage 8 to 10V q Internal 4 Input Audio Selectors and Monitor Output q Low Noise VCA q eala (NJRC Original Surround System) q Simulated Stereo 2 q Variable AGC Compression Level via I C (4-levels) q Bi-CMOS Technology q Package Outline SDMP30 DataSheet4U.
com sBLOCK DIAGRAM DataShee MONa AGC TONE TONE -La -Ha OUTa -2dB +4.
5dB SDA SCL CVA CVB I2C BUS Interface IN1a IN2a IN3a IN4a SEL VOL1 TONE VOL2 AGC eala & Sim ulated Stereo CTH CTL IN1b IN2b IN3b IN4b SEL -2dB VOL1 TONE VOL2 Bias GND Vcc +4.
5dB MONb TONETONE -Hb -Lb OUTb Vref DataSheet4U.
com -1– www.
DataSheet4U.
com NJW1142 s PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 IN1a IN2a IN3a IN4a MONa SS FIL TONE -Ha TONE -La LINEa OUTa CVa CVb IN1b 30 IN2b 29 IN3b 28 IN4b 27 MONb 26 SR FIL 25 TONE -Hb 24 TONE -Lb 23 LINEb 22 OUTb 21 AGC 20 CTH 19 et4U.
com SDA CTL 18 DataSheet4U.
com SCL Vref 17 GND V+ 16 DataShee No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Symbol IN1a IN2a IN3a IN4a MONa SS FIL TONE-Ha TONE-La LINEa OUTa CVA CVB SDA SCL GND Ach Input1 Ach Input2 Ach Input3 Ach Input4 Ach Monitor Output Surround Filter Ach Treble Filter Ach Bass Filter Function 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Symbol V+ Vref CTL CTH AGC OUTb LINEb TONE-Lb TONE-Hb SR FIL MONb IN4b IN3b IN2b IN1b Power Supply Pin Function Reference Voltage DAC Output for Tone Low Frequency DAC Output for Tone High Frequency AGC Filter Bch Output Bch LINE Output(+4.
5dB) Bch Bass Filter Bch Treble Filter Surr...

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