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NJW1146

Audio Processor with BBE

Japan Radio Corporation  

NJW1146

Audio Processor with BBE

s GENERAL DESCRIPTION

NJW1146 is an audio processor with BBE, which also includes Master

volume, Balance, Tone Control, eala(NJRC surround), Mute, and Output

filter amplifier. All of internal status and variables are controlled by I2C

BUS.

s FEATURES

q Operating Voltage

q I2C Bus interface

q BBE

q eala & simulated stereo

q Master Volume

q Balance

qTone Control

q Bi-CMOS

q Package Outline

8 to 10 V

0 to +15dB(0.5dB/step)

0 to -80dB, MUTE(0.33dB/step)

0 to -30dB, MUTE(1dB/step)

-15 to +15dB(0.5dB/step)

SDMP30

s PACKAGE OUTLINE

NJW1146M

s BLOCK DIAGRAM

CBH

Ina

Vol1

BBE Tone Vol2 Buffer

CBL

CVA

CVB

CTH

CTL

CSR

Inb

Vol1

BBE Tone Vol2 Buffer

Bias

V+

GND

–1–

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