njw1176 New Japan Radio Co.,Ltd, njw1176 Datasheet

njw1176

Manufacturer Part Number

njw1176

Description

Audio Processor With Subwoofer Output

Manufacturer

New Japan Radio Co.,Ltd

Datasheet

1.NJW1176.pdf (25 pages)

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IN a

IN b

includes all of functions processing audio signal for TV, such as

tone control, balance, volume, mute, and AGC functions.

and bass boost function.

sound and clear vocal orientation.

interface.

GENERAL DESCRIPTION

The original surround system reproduces natural surround

FEATURES

BLOCK DIAGRAM

The NJW1176 is a sound processor with subwoofer output

Also the NJW1176 includes the LPF for subwoofer output

All of internal status and variables are controlled by I

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

Adjustable AGC compression level by I

Operating Voltage

3ch Output (Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch)

LPF Filter (Adjustable cut off frequency by external parts)

eala(NJRC Original Surround System)

Simulated Stereo

Bi-CMOS Technology

Package Outline

C BUS Interface

AGC

AUDIO PROCESSOR with Subwoofer Output

VOL1

SDIP30

7.5 to 13V

SUR - FIL

Simulated

Stereo

eala

SUR

OUTa

- OUTb

C BUS

TONE

-INb

INa

TONE

-Ha

TONE

-Hb

TONE

C BUS

TONE

-La

TONE

-Lb

LF1 LF2 LF3

LPF

PACKAGE OUTLINE

VOL2

OUTa

OUTb

Trimmer

NJW1176L

OUTw

NJW1176

SCL SDA

Interface

Bias

Vref

CBUS

- 1 -

CVA

CVB

CVW

CTH

CTL

AUX1

AUX0

GND

V+

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