New Product Introduction

STMicroelectronics - IMP34DT05 MEMS Audio Sensor Microphone

The IMP34DT05 from STMicroelectronicsn is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface.

STMicroelectrtincs IMO34DT05 Component Image

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
  • HCLGA package
    • Top-port design
    • SMD-compliant
    • EMI-shielded
    • ECOPACK, RoHS, and “Green” compliant

Applications

  • Anti-tampering devices
  • Vibration monitoring
  • Audio-activated functions
  • Predictive maintenance
  • Noise cancelling
  • Sound detection for alarm systems
  • Human / machine voice interface
  • Anti-theft systems

STEVAL-MIC003V1 Microphone coupon board based on the IMP34DT05 digital MEMSProduct evaluation tool

The STEVAL-MIC003V1 microphone coupon board based on the IMP34DT05 digital MEMS is designed to be used in conjunction with the X-NUCLEO-CCA02M1 expansion board; it is able to export the four additional PDMs for any user application require

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