Datasheet > NJW1149

NJW1149

更新时间： 2022-11-24 21:50:50

品牌	Logo	应用领域
NJRC		/
页数	文件大小	规格书
26页	314K
描述
Audio Processor with Sound Enhancement and TruSurround 5.1ch Virtualizer

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NJW1149 数据手册

PRELIMINARY

NJW1149

Audio Processor with Sound Enhancement and TruSurround 5.1ch Virtualizer

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJW1149 is an audio processor with BBE sound enhancement

and SRS Labs' TruSurround 5.1 channel virtualizer. It includes all of

functions processing audio signal for TV, such as volume, balance, mute,

tone control, eala NJRC original surround and simulated stereo

functions. All of internal status and variables are controlled by I²C BUS.

NJW1149FC2

■ FEATURES

■ Operating Voltage

■ I²C BUS Interface

8 to 10 V

■ TruSurround 5.1ch. / 4ch. / 2ch. Inputs

■ BBE

0dB to +15dB(0.5dB/step)

■ eala (surround effect ; 2 steps) and Simulated Stereo

■Volume

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

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

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

■Balance

■Tone Control

■ Bi-CMOS Technology

■ Package Outline

QFP64-C2

■ BLOCK DIAGRAM

L IN

R IN

FL IN

FR IN

CBH

CBL

CVA

CVB

CTH

CTL

CSR

Vol1

BBE

Tone

Vol2

Buffer

ATT

RL IN

RRIN

C IN

SW IN

V+

GND

Bias

– 1 –

12 3 4 5 6 7...26

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