BH3547F-E2

厂商：
ROHM(罗姆)
封装：
SOIC-8
描述：

数据手册：

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数据手册
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BH3547F-E2 数据手册

Headphone Amplifiers Standard Headphone Amplifiers BH3541F,BH3544F,BH3547F,BH3548F No.10102EAT02 ●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 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 7.0 0 62 16 / 32 -25 ～ +75 Symbol VCC Pd Tstg Ratings 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 Limits 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 © 2010 ROHM Co., Ltd. All rights reserved. 1/8 2010.05 - 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) Limits(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 IQ VTMH VTML GVC ΔGVC THD 0.02 0 0 0.05 0.02 7 1.6<

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BH3547F-E2

### 物料型号 - BH3541F - BH3544F - BH3547F - BH3548F

### 器件简介 BH3541F, BH3544F, BH3547F, BH3548F是适用于便携式产品的耳机放大器。BH3541F具有固定的0 dB增益，而BH3544F, BH3547F, BH3548F具有固定的6 dB增益。这些型号不需要外部电阻来设置增益，并且它们的封装（SOP8）是管脚对管脚兼容的，可以轻松替换彼此。这些型号还具有静音功能，可以防止在电源开关时产生爆音，此外还内置了热关断功能。

### 引脚分配 | 引脚编号 | 引脚名称 | 功能描述 | | --- | --- | --- | | 1, 7 | OUT1, OUT2 | 输出引脚 | | 2 | MUTE | 静音控制引脚，静音开：高电平，静音关：低电平（开路） | | 3, 5 | IN1, IN2 | 输入引脚 | | 6 | BIAS | 偏置引脚 | | 4 | GND | 地引脚 | | 8 | VCC | 电源引脚 |

### 参数特性 - 供电电压：BH3541F (+2.8 ~ +6.5V), BH3544F, BH3547F (+4.5 ~ +5.5V), BH3548F (+4.0 ~ +5.5V) - 静态电流：BH3541F (7.0 mA), BH3544F (3.7 mA), BH3547F (6.5 mA) - 增益：BH3541F (0 dB), BH3544F, BH3547F, BH3548F (6 dB) - 负载阻抗：16/32Ω 或 8/16/32Ω - 工作温度范围：-25 ~ +75℃ 或 -40 ~ +85℃

### 功能详解 - 静音功能：防止电源开关时产生爆音。 - 热关断功能：内置过热保护。 - 管脚兼容：SOP8封装，易于替换。 - 小封装：SOP8小型封装。

### 应用信息 适用于具有耳机输出的电视、台式电脑、笔记本电脑、摄像机等设备。

### 封装信息 - 封装类型：SOP8 - 胶带和卷轴信息：2500pcs/卷，E2方向进料

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