NJW1133A 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJW1133A

AUDIO PROCESSOR

Japan Radio Corporation  

NJW1133A

AUDIO PROCESSOR

sGENERAL DESCRIPTION

The NJW1133A is an audio processor. It includes all of

functions processing audio signal for TV, such as tone

control, balance, volume, mute, and AGC(Auto Gain Control)

functions.

All of internal status and variables are controlled by I2C

BUS interface.

sPACKAGE OUTLINE

sFEATURES

q Operating Voltage

8 to 13V

q I2C BUS Interface

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

q Matrix Surround

q Bi-CMOS Technology

q Package Outline

SDMP30

sBLOCK DIAGRAM

NJW1133AM

AGC1

TONE TONE

OUT1a IN2a –Ha –La PS

OUT2a

IN1a

Volume

1

AGC

IN1b

Volume

1

Tone

(Bass/Treble)

Volume

2

Matrix

Surround

Tone

(Bass/Treble)

Volume

2

Control

Logic

Bias

CTH

CTL

CVA

CVB

AUX0

AUX1

SDA

SCL

GND

Vcc

AGC2

OUT1b IN2b TONE TONE

–Hb –Lb

OUT2b VREF

-1-

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