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LM4982TL
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LM4982TL

  • Category:Audio amplifier
  • Product Name:Grounded, ultra-low noise, 80MW IntelliSense and I2C volume controlled stereo headphone amplifier
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:SMD
  • Stock Status:There is stock
  • Stock Quantity:9850
  • Minimum order quantity: 1
  • Details:点击查找LM4982TL的pdf资料
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  • Product introduction

peculiarity

  • Ground reference output
  • I2 C卷和模式控制
  • Space-saving micro SMD package
  • Ultra-low current shutdown mode
  • 开启高级弹出点击电路消除了噪音和转关转换
  • 1.6 - 4.0V操作
  • 无输出耦合电容,缓冲网络,启动电容器或增益设置电阻
  • 单声道/立体声耳机检测

illustrate

LM4982是一个引用,可变增益音频功率放大器能够提供连续平均功率为16 80MW地面 单端负载的THD + N小于1%,从3V电源。 I2 C音量控制允许18到-76 dB的增益设置。

LM4982采用先进的电荷泵技术,产生的LM4982负电源电压。 This eliminates the need for output coupling capacitors typically used for single-ended loads.

IntelliSense是一个新的电路技术,使LM4982检测单声道或立体声耳机插头是否已插入到输出插孔。

Boomer audio power amplifiers are designed to provide high quality output power with very few external components. 的LM4982并不需要输出耦合电容器或启动电容器,因此非常适合用于手机和其他低电压应用,其中最低的功耗是一个主要的要求。

LM4982采用可选择的低功耗的停机和渠道选择的模式。

LM4982包含先进的POP和点击消除噪音电路,否则就会发生在开启和关闭转换。

Main specifications

Improved PSRR at 217Hz 66分贝
Stereo output power in VDD=3V,RL = 32 THD + N = 1% 51mW(典型值)
Shutdown current 0.1μA (typical)


apply

  • laptop
  • Desktop computers
  • mobile phone
  • Pocket PC
  • Portable electronic devices
  • MP3 player

andLM4982TLRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM4982TL NSC 10+ SMD Grounded, ultra-low noise, 80MW IntelliSense and I2C volume controlled stereo headphone amplifier

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