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STMicroelectronics MP3xABxx MEMS 音频麦克风

意法半导体 MP3xABxx MEMS 音频麦克风是一款紧凑、低功耗、全指向式麦克风，采用超薄传感元件打造而成。传感元件能检测声波，采用专用于生产音频传感器的特殊硅微加工工艺制造而成。IC 接口采用 CMOS 工艺制造，允许设计一个专门电路，从外部提供 PDM 格式的数字信号。

The MP34DTx are low-distortion digital microphones with a 64 dB signal-to-noise ratio and –26dBFS ±3dB sensitivity. The MP34DTx are available in a top-port, SMD-compliant, EMI-shielded package, and is guaranteed to operate over an extended temperature range from -40°C to +85°C.

特性

  • Single supply voltage
  • Low power consumption
  • AOP = 122.5dBSPL
  • 64 dB signal-to-noise ratio
  • Omnidirectional sensitivity
  • –26dBFS ±3dB sensitivity
  • PDM output
  • HCLGA package
    • Top-port design
    • SMD-compliant
    • EMI-shielded
    • ECOPACK®, RoHS, and "Green" compliant

应用

  • Mobile terminals
  • Laptop and notebook computers
  • Portable media players
  • VoIP
  • Speech recognition
  • A/V eLearning devices
  • Gaming and virtual reality input devices
  • Digital still and video cameras
  • Antitheft systems

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发布日期: 2011-12-01 | 更新日期: 2022-03-11