MAX14579AE

低功耗耳机检测器,支持SEND/END按键

完备的音频耳机插座检测方案


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说明

The MAX14579E/MAX14579AE provide a simple solution for detecting the insertion and managing the operation of a 3.5mm stereo headset with a microphone. These devices integrate all circuitry required to detect SEND/END button press events and generate required microphone bias voltages.

The devices are managed with only three GPIOs from the host controller to select between call mode and standby mode, and monitor the SEND/END and jack insertion status. In call mode, the low-noise LDO is enabled to provide DC bias to the externally preamplified microphone. In standby mode, microphone low-power pulsing is enabled to reduce supply current while waiting for a SEND/END button press event. Two open-drain outputs signal the host controller when an insertion/removal or SEND/END button press event occurs.

The MAX14579E/MAX14579AE manage jack insertion detection by monitoring a 3.5mm socket with a normally open jack insertion switch.

The devices are available in an 8-pin TDFN package, and are fully specified over the -40°C to +85°C extended temperature range.

关键特性

  • 3.5mm Jack Insertion Detection
  • Simple Interface: One Input/Two Open-Drain Outputs
  • Low-Power Microphone Mode
  • Low-Noise, High-PSRR Microphone Bias Generator
  • Click-and-Pop Suppression
  • High-ESD Protection on MIC and DETIN Inputs
    • ±15kV Human Body Model (HBM)

应用

  • 蜂窝电话
  • 电子书
  • 平板PC

MAX14579EEVKIT: MAX14579E和MAX14579AE评估板
申请可靠性报告: MAX14579AE 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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相关资料


MAX98395
11.7W、数字输入、DG类放大器,具有I/V检测和超低静态功耗

  • 宽输入电压范围(3.0V至14V)
  • DG类操作实现业界领先的静态功耗
  • 超低噪底


类型 编号 标题
评估板7488MAX14579EEVKIT MAX14579EMAX14579AE评估板