Datasheet > BA3121F_09

BA3121F_09

更新时间： 2024-09-27 06:41:23

品牌	Logo	应用领域
罗姆 - ROHM		隔离放大器
页数	文件大小	规格书
9页	332K
描述
Ground Isolation Amplifier

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BA3121F_09 数据手册

Audio Accessory IC Series

Ground Isolation

Amplifier

BA3121F, BA3123F

No.09092EAT01

●Description

The BA3121F/BA3123F are ground isolation amplifiers developed for use in car audio applications.

This IC efficiently eliminate problems caused by wiring resistance, and remove noise generated by the electrical devices

used in automobiles. The capacitance values of the external capacitors required for the ICs are small to allow compact

and reliable set design.

●Features

1) Large capacitors not required

2) High common-mode rejection ratio (57dB typ. at f = 1kHz).

3) Low noise (VNO = 3.5μVrms Typ.).

4) Low distortion (THD = 0.002% Typ.).

5) Two channels.

●Applications

Car audio systems

●Line up matrix

Operation temperature

BA3121F

－30～＋85C

BA3123F

－40～＋85C

●Absolute maximum ratings (Ta = 25C)

Parameter

Symbol

Limits

Unit

Power supply voltage

Power dissipation

Vcc

℃

450*

Operation

BA3121F

BA3123F

－30～＋85

－40～＋85

－55～＋125

Topr

temperature

℃

Storage temperature

Tstg

℃

＊Reduced by 4.5mW in Ta of 1C over 25C.

●Recommended operating conditions (Ta = 25C)

Parameter

Symbol

Vcc

Min.

Typ.

Max.

Unit

Power supply voltage

www.rohm.com

2009.08 - Rev.A

1/8

12 3 4 5 6 7...9

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