Datasheet > BH3548F

BH3548F

更新时间： 2024-11-24 06:42:07

品牌	Logo	应用领域
罗姆 - ROHM		放大器
页数	文件大小	规格书
9页	395K
描述
Standard Headphone Amplifiers

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BH3548F 数据手册

Headphone Amplifiers

Standard

Headphone Amplifiers

No.10102EAT02

BH3541F,BH3544F,BH3547F,BH3548F

●Description

BH3541F, BH3544F, BH3547F, BH3548F is headphone amplifiers suitable for portable products.

BH3541F has a fixed gain of 0 dB and BH3544F, BH3547F, BH3548F has a fixed gain of 6 dB.

External resistors for gain setting are not needed. Package of BH3541F, BH3544F, BH3547F, BH3548F is pin-to-pin

compatible (SOP8), enable to replace each other easily.

BH3541F, BH3544F, BH3547F, BH3548F also has mute functions that make it easy to prevent pop noise when power

supply turns on/off. Moreover, thermal shutdown function is built-in.

BH3541F, BH3544F, BH3547F can drive 16/32Ω load, BH3548F can drive 8/16/32Ω. So, BH3548F is suitable for 8Ω

receiver.

●Features

1) Built-in mute function for preventing pop noise when power supply turns on/off

2) Built-in thermal shutdown function

3) BH3541F, BH3544F, BH3547F, BH3548F are pin-to-pin compatible

4) SOP8 small package

●Applications

TV, Desktop PC, Notebook PC, Camcorder and other equipment having headphone output

●Line up

Part No.

Supply voltage

BH3541F

BH3544F

BH3547F

BH3548F

Unit

+2.8 ～ +6.5

+4.5 ～ +5.5

+4.0 ～ +5.5

Ω

Quiescent current

Amplifier gain

7.0

3.7

6.5

Output [RL=16Ω]

load impedance

16 / 32

8/16/32

Operating temperature range

-25 ～ +75

-40 ～ +85

℃

●Absolute maximum ratings(Ta=25°C)

Ratings

Parameter

Symbol

Unit

BH3541F,BH3544F,BH3547F,BH3548F

Applied voltage

VCC

7.0

550 ^*1

Power dissipation

°C

Storage temperature

Tstg

-55～+125

*1 Derating is done at 5.5mW/°C above Ta=25°C. (When mounted on a 70mm×70mm×1.6mm PCB board, FR4)

●Operating conditions (Ta=25°C)

Limits

Parameter

Symbol

Unit

BH3541F,BH3544F

BH3547F

BH3548F

+4.0 ～ +5.5

-40 ～ +85

Supply voltage

Temperature Range

VCC

Topr

+2.8 ～ +6.5

+4.5 ～ +6.5

-25～+75

℃

* These product are not designed for protection against radioactive rays.

www.rohm.com

2010.05 - Rev.A

1/8

12 3 4 5 6 7...9

中文翻译

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