BH3541F

BH3541F

  • 厂商:

    ROHM(罗姆)

  • 封装:

  • 描述:

    BH3541F - Stereo Headphone Amplifiers - Rohm

  • 详情介绍
  • 数据手册
  • 价格&库存
BH3541F 数据手册
Speaker / Headphone Amplifier Series Stereo Headphone Amplifiers BH3541F, BH3544F, BH3547F, BH3548F No.09077EAT01 ●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 Quiescent current Amplifier gain Output [RL=16Ω] load impedance Operating temperature range ●Absolute maximum ratings(Ta=25°C) Parameter Applied voltage Power dissipation Storage temperature *1 BH3541F 7.0 0 62 BH3544F BH3547F +4.5 ~ +5.5 3.7 6 77 BH3548F +4.0 ~ +5.5 6.5 62 8/16/32 -40 ~ +85 Unit V mA dB mW Ω ℃ +2.8 ~ +6.5 16 / 32 -25 ~ +75 Symbol VCC Pd Tstg Limit BH3541F,BH3544F,BH3547F,BH3548F 7.0 550 *1 -55~+125 Unit V mW °C 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) Parameter Supply voltage Temperature Range * Symbol VCC Topr BH3541F,BH3544F +2.8 ~ +6.5 -25~+75 BH3547F +4.5 ~ +6.5 BH3548F +4.0 ~ +5.5 -40 ~ +85 Unit V ℃ These product are not designed for protection against radioactive rays. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 1/8 2009.07 - Rev.A BH3541F, BH3544F, BH3547F, BH3548F Technical Note ●Electrical characteristics (Unless otherwise noted, Ta=25°C,VCC=5V,RL=32Ω,f=1kHz,BW=400~30kHz BH3541F : VIN=0dBV, BH3544F, BH3547F, BH3548F : VIN =-6dBV) TYP. Parameter Symbol Unit Conditions BH3541F BH3544F BH3547F BH3548F Quiescent current Mute pin control voltage H Mute pin control voltage L Gain Gain difference between channels Total harmonic distortion Rated output 1 IQ VTMH VTML GVC △GVC THD PO1 0.02 31 0 0 0.05 46 0.02 31 7 1.6<
BH3541F
物料型号: - BH3541F - BH3544F - BH3547F - BH3548F

器件简介: 这些是适用于便携式产品的耳机放大器。BH3541F具有固定的0dB增益,而BH3544F、BH3547F、BH3548F具有固定的6dB增益。不需要外部电阻来设置增益。BH3541F、BH3544F、BH3547F、BH3548F的封装引脚兼容(SOP8),可以轻松替换彼此。此外,这些芯片还具有静音功能,便于在电源开关时防止爆音,还内置了热关断功能。

引脚分配: - OUT1(1, 7脚):输出引脚 - MUTE(2脚):静音控制引脚(静音开:高电平,静音关:低电平或开路) - IN1(3脚)和IN2(5脚):输入引脚 - BIAS(6脚):偏置引脚 - GND(4脚):地引脚 - VCC(8脚):电源引脚

参数特性: - 供电电压:+2.8 ~ +6.5V(BH3541F),+4.5 ~ +5.5V(BH3544F, BH3547F),+4.0 ~ +5.5V(BH3548F) - 静态电流:7mA(BH3541F),3.7mA(BH3544F),6.5mA(BH3547F, BH3548F) - 增益:0dB(BH3541F),6dB(BH3544F, BH3547F, BH3548F) - 输出功率:62mW(16Ω负载),77mW(16Ω负载),120mW(8Ω负载,BH3548F)

功能详解: - 内置静音功能,用于防止开机/关机时的爆音 - 内置热关断功能 - SOP8小型封装 - 引脚兼容,便于替换

应用信息: 适用于电视、台式电脑、笔记本电脑、摄像机等具有耳机输出的设备。

封装信息: - 所有型号均采用SOP8封装,引脚兼容。
BH3541F 价格&库存

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