NJW1164 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJW1164

AUDIO PROCESSOR with BBE

Japan Radio Corporation  

PRELIMINARY

NJW1164

AUDIO PROCESSOR with BBE

s GENERAL DESCRIPTION

The NJW1164 is a TV audio processor with sound

enhancement (BBE).

The NJW1164 contains all necessary functions to process

TV audio signal such as volume control, tone control,

balance, mute, AGC and NJRC's proprietary surround sound

process, eala. The eala reproduces a natural surround

sound with clear vocal orientation.

The total modes and variables are controlled by the I2C bus

interface.

s PACKAGE OUTLINE

NJW1164L

NJW1164M

s FEATURES

q Operating Voltage

7.5 to 13V

q I2C BUS Interface

q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)

q eala (NJRC Original Surround)

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

q Simulated Surround

q Bi-CMOS Technology

q Package Outline

SDIP30, SDMP30

s BLOCK DIAGRAM

VOL1

BBE

AGC

e ala

&

Sim ulated

Surround

VOL1

BBE

TONE

VOL2

I2C Bus

Interface

TONE

VOL2

Bias

-1-

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