New Product Information

STMicroelectronics MP23AB01DH MEMS audio sensor

High-performance MEMS audio sensor: fully differential analog bottom-port microphone


*Important note*
ST recently set the part to "Not recommended for new Designs", please check the new and improved MP23ABS1 instead.

The MP23AB01DH is a compact, low-power microphone built with a capacitive sensing element and an IC interface. It has a sensitivity of 38 dB ±1 dB, an acoustic overload point of 135 dBSPL with minimum 65 dB signal-to-noise ratio and fully differential output in order to minimize common mode noise.

The MP23AB01DH is available in a package compliant with reflow soldering and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.


Key features

  • High signal-to-noise ratio
  • Fully differential output
  • High bandwidth
  • Package compliant with reflow soldering


Additional features

  • Single supply voltage operation
  • Omnidirectional sensitivity
  • High RF immunity



  • All devices requiring a microphone

STMicroelectronics MP23AB01DH MEMS audio sensor | EBV Elektronik

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