STMicroelectronics – MEMS Microphone MP34DT01

The MP34DT01 is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface.
The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process dedicated to produce audio sensors.
The IC interface is manufactured using a CMOS process that allows designing a dedicated circuit able to provide a digital signal externally in PDM format.
The MP34DT01 has an acoustic overload point of 120 dBSPL with a 63 dB signal-to-noise ratio and –26 dBFS sensitivity.
The MP34DT01 is available in a top-port, SMDcompliant, EMI-shielded package and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.

Features

  • Features
  • Single supply voltage
  • Low power consumption
  • 120 dBSPL acoustic overload point
  • 63 dB signal-to-noise ratio
  • Omnidirectional sensitivity
  • –26 dBFS sensitivity
  • PDM output
  • HCLGA package
    • Top-port design
    • SMD-compliant
    • EMI-shielded
    • ECOPACK® , RoHS, and “Green” compliant

Applications

  • 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
See also

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