Datasheet > BD34705KS2

BD34705KS2

更新时间： 2023-09-03 20:37:16

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
39页	1426K
描述
适用于实现7.1ch环绕声系统的8ch独立音量。与以往产品相比，大幅改善了音质。具备μ-step功能，实现了增益切换时的爆破音较少的音量。内置最多可支持Zone3的单端8路输入选择器、多路输入选择器，可连接大多数信号源。ROHM Musical Device "MUS-IC""MUS-IC" Web Page

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BD34705KS2 数据手册

Datasheet

Sound Processors for AV Receiver Systems

7.1ch Sound Processor

with Built-in Micro-step Volume

BD34705KS2

General description

Key Specifications

The BD34705KS2 is an 8ch independent volume system.

The system is designed to allow 7.1ch surround system

application. It is improvement that sound quality more

than the conventional products. Micro-step volume can

reduce the switching pop noise during volume attenuation,

so a high quality audio system could be achieved.

8ch triple input selectors for zone 3 and multi channel

input enable the connection with a number of sources.

 Total harmonic distortion:

 Maximum output voltage:

 Output noise voltage:

0.0004%(Typ.)

4.2Vrms(Typ.)

1.2μVrms(Typ.)

1.0μVrms(Typ.)

-105dB(Typ.)

 Residual output noise voltage:

 Cross-talk between channels:

 Cross-talk between selectors:

-105dB(Typ.)

Package

W(Typ.) x D(Typ.) x H(Max.)

14.00mm x 14.00mm x 1.50mm

SQFP-T64

Features

 8ch input selectors

(It is extendable to up to 14 by other functions and

exclusion)

 Micro-step volume can reduce the switching pop

noise during volume attenuation.

 Zone 3 is supported.

 Built-in 2ch Volume for ZONE output

 2-wire serial bus control, corresponding to 3.3/5V.

Applications

SQFP-T64

 Suitable for the AV receiver, home theater system,

etc.

Typical Application Circuit

Figure 1. Application Circuit

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

www.rohm.com

TSZ02201-0C2C0E100250-1-2

2015.3.31. Rev.001

1/36

TSZ22111・15・001

12 3 4 5 6 7...39

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