IMP34DT05 – MEMS audio sensor omnidirectional digital microphone

IMP34DT05 – MEMS audio sensor omnidirectional digital microphone

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MEMS Microphone

The IMP34DT05 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 producing 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 IMP34DT05 is a low-distortion digital microphone with a 64 dB signal-to-noise ratio and –26 dBFS ±3 dB sensitivity.

The IMP34DT05 is 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.

Key features

  • Single supply voltage
  • Low power consumption
  • AOP = 122.5 dBSPL
  • 64 dB signal-to-noise ratio
  • Omnidirectional sensitivity
  • –26 dBFS ±3 dB sensitivity
  • PDM output
  • SMD-compliant

more information: www.st.com

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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