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LM4906LDBD中文资料

厂家型号

LM4906LDBD

文件大小

1208.99Kbytes

页面数量

23

功能描述

LM4906 1W, Bypass-Capacitor-less Audio Amplifier with Internal Selectable Gain

音频 IC 开发工具 LM4906LD EVAL BOARD

数据手册

原厂下载下载地址一下载地址二到原厂下载

生产厂商

TI2

LM4906LDBD数据手册规格书PDF详情

1FEATURES

2• Selectable Gain of 6dB (2V/V) or 12dB (4V/V)

• No Output or PSRR Bypass Capacitors

Required

• Improved “Click and Pop” Suppression

Circuitry

• Very Fast Turn on Time: 5ms (Typ)

• Minimum External Components

• 2.6 - 5.5V Operation

• BTL Output Can Drive Capacitive Loads

• Ultra Low Current Shutdown Mode (SD Low)

APPLICATIONS

• Portable Computers

• Desktop Computers

• Multimedia Monitors

KEY SPECIFICATIONS

• Improved PSRR at 217Hz for +3V: 71 dB

• Power Output at +5V, THD+N = 1%, 8Ω: 1.0 W

(Typ)

• Power Output at +3V, THD+N = 1%, 8Ω: 390

mW (Typ)

• Total Shutdown Power Supply Current: 0.1μA

(Typ)

DESCRIPTION

The LM4906 is an audio power amplifier primarily

designed for demanding applications in mobile

phones and other portable communication device

applications. It is capable of delivering 1W of

continuous average power to an 8Ω BTL load with

less than 1% distortion (THD+N) from a +5V power

supply.

The LM4906 is the first Texas Instruments Boomer

Power Amplifier that does not require an external

PSRR bypass capacitor. The LM4906 also has an

internal selectable gain of either 6dB or 12dB. In

addition, no output coupling capacitors or bootstrap

capacitors are required which makes the LM4906

ideally suited for cell phone and other low voltage

portable applications.

The LM4906 contains advanced pop and click circuitry that eliminates noise, which would otherwise

occur during turn-on and turn-off transitions.

Boomer audio power amplifiers were designed

specifically to provide high quality output power with a

minimal amount of external components. The

LM4906 features a low -power consumption

shutdown mode (the part is enabled by pulling the SD

pin high). Additionally, the LM4906 features an

internal thermal shutdown protection mechanism.

LM4906LDBD产品属性

  • 类型

    描述

  • 型号

    LM4906LDBD

  • 功能描述

    音频 IC 开发工具 LM4906LD EVAL BOARD

  • RoHS

  • 制造商

    Texas Instruments

  • 产品

    Evaluation Kits

  • 类型

    Audio Amplifiers

  • 工具用于评估

    TAS5614L

  • 工作电源电压

    12 V to 38 V

更新时间:2025-10-20 9:00:00
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LM4906LDBD 价格

参考价格:¥1398.9296

型号:LM4906LDBD 品牌:TI 备注:这里有LM4906LDBD多少钱,2025年最近7天走势,今日出价,今日竞价,LM4906LDBD批发/采购报价,LM4906LDBD行情走势销售排排榜,LM4906LDBD报价。