Datasheet > NJW1107A

NJW1107A

更新时间： 2024-11-17 23:53:47

品牌	Logo	应用领域
其他 - ETC		解码器
页数	文件大小	规格书
11页	104K
描述
Dolby Pro Logic Surround Decoder with Discrete 5.1ch Input

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NJW1107A 数据手册

NJW1107A

PRELIMINARY

Dolby Pro Logic Surround Decoder with Discrete 5.1ch Input

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJW1107A is a Dolby Pro Logic Surround Decoder with

discrete 5.1ch input. It includes Dolby Pro Logic Surround decoder, 4

master volumes, 4 level trimmers and 6 switches.

The 6 switches choose internal Dolby Pro Logic Surround Decoder

or discrete 5.1ch inputs. The NJW1107A is most suitable for AV

amplifier with discrete 5.1ch inputs for Dolby Digital.

In addition to Dolby Pro Logic Surround function, the NJW1107A

performs easily other surround function such as Hall, Live, Disco and

others, and echo and microphone mixing functions for Karaoke.

NJW1107AFC3

Dolby and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

San Francisco, CA94103-4813.USA.

This device is available only to licensees of Dolby Lab.

Licensing and application information may be obtained from Dolby Lab.

■ FEATURES

■ Operating Voltage: V_CC=9V(Analog Block), V_DD=5V(Digital Block)

■ Digital Delay on chip

■ Discrete 5.1ch Input for Dolby Digital

■ Master Volume for Center, Surround and Subwoofer Channel: -79 to 0dB/1dB step (0dB = Dolby Level)

■ Level Trimmer for Center, Surround and Subwoofer Channel: -31 to 0dB/1dB step (0dB = Dolby Level)

■ Karaoke function (Echo, MIC mixing)

■ Serial Data Interface (3-wire)

■ Bi-CMOS Technology

■ Package Outline

DATA, REQ, SCK

QFP80

■ FUNCTION

[Dolby Pro Logic Surround]

■ Automatic input balance

■ Noise sequencer

[Other Surround]

■ Sound field control

■ Front mixing control

■ Digital time delay

■ Adaptive matrix

■ Center mode control (Wide, Normal, Phantom, Off)

■ Modified B-type noise reduction

■ 7kHz low pass filter

(15.4, 20.5, 25.6, 29.2 51.2ms)

[Karaoke]

■ Echo control

■ Dolby 3 stereo mode

■ MIC mixing

■ Digital time delay (15.4, 20.5, 25.6, 29.2ms)

■ Digital time delay (123, 184ms)

■ SYSTEM BLOCK DIAGRAM

MICIN

LTIN

RTIN

Pro Logic

LOUT

Digital

Surround

Rear

Stereo

ROUT

Master

Vol

Trimmer

Echo

COUT

LIN

RIN

SLOUT

SROUT

SWOUT

CIN

SLIN

SRIN

SWIN

normal

SWIN

MCU

Interface

Dolby Pro Logic

Discrete 5.1ch (ex. Dolby Digital)

- 1 -A

12 3 4 5 6 7...11

中文翻译

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