Datasheet > NJW1148

NJW1148

更新时间： 2024-11-08 22:44:51

品牌	Logo	应用领域
NJRC		/
页数	文件大小	规格书
29页	414K
描述
Audio Processor with Sound Enhancement and TruSurround Virtualizer

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NJW1148 数据手册

NJW1148

Audio Processor with Sound Enhancement and TruSurround Virtualizer

I GENERAL DESCRIPTION

I PACKAGE OUTLINE

The NJW1148 is an audio processor with BBE sound enhancement

and SRS Labs' TruSurround virtualizer. It includes all of functions

processing audio signal for TV, such as volume, balance, mute, line out,

tone control, eala NJRC surround and simulated stereo functions. All of

internal status and variables are controlled by I²C BUS.

I FEATURES

G Operating Voltage

G I²C BUS Interface

G Passive TruSurround

G BBE

8 to 10 V

NJW1148FP1

(Fast-Mode)

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

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

GVolume

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

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

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

GBalance

GTone Control

G Bi-CMOS Technology

G Package Outline

QFP48-P1

I BLOCK DIAGRAM

VREF

Bias

MIXOUT

LFIN

VOL1

TONE

VOL2

INA

INB

BBE

Passive Matrix

Buffer

LFOUT

OUTC

TruSurround

/ SRS 3D Stereo

/ eala

VOL2

/ Simulated Stereo

BBE

CAP

AGCTC

– 1 –

12 3 4 5 6 7...29

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