NJW1138L データシートの表示（PDF） - Japan Radio Corporation

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NJW1138L

AUDIO PROCESSOR

Japan Radio Corporation  

NJW1138

P R E L I M I N A LY

AUDIO PROCESSOR

s GENERAL DESCRIPTION

The NJW1138 is an audio processor. It includes all of

functions processing audio signal for TV, such as tone

control, balance, volume, mute, NJRC original surround, and

AGC functions.

The NJRC original surround system reproduces natural

surround sound and clear vocal orientation.

All of internal status and variables are controlled by I2C

BUS interface.

s PACKAGE OUTLINE

NJW1138L

NJW1138M

s FEATURES

q Operating Voltage

8 to 13V

q I2C BUS Interface

q AGC Circuit (It reduces volume difference among input sources.)

q eala(NJRC Original Surround)

q Simulated Surround

q Bi-CMOS Technology

q Package Outline

SDIP30, SDMP30

s BLOCK DIAGRAM

VOL1

AGC

e ala

&

Sim ulated

Surround

VOL1

TONE

VOL2

I2C Bus

Interface

TONE

VOL2

Bias

- 1 –F

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