MP34DT01-M, PDM MEMS microphone, Adafruit 3492

Brand: Adafruit
Product Code: AN-18668
Availability: 4-6 business days
Planned delivery date after ordering: 2025-05-06
10.40€
Ex Tax: 8.60€

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MEMS microphone based on PDM (Pulse Density Modulation) signal. It has a built-in MP34DT01-M module and communication is via an I2S interface. The signal-to-noise ratio SNR is 61 dB. It operates from 1.8 V to 3.3 V.

Specification:
  • Voltage range: from 1.8 V to 3.3 V
  • Clocking: from 1 MHz to 3.25 MHz
  • Current consumption: 0.6 mA
  • Signal to noise ratio SNR: 61 dB
  • Sensitivity: -26 dBFS
  • Communication interface: I2S
  • Pinouts:
  • 3 V - power supply
    • GND - ground
    • SEL - channel selection, in low state transmitting to the left channel and in the high state to the right channel
    • CLK - PDM clock input, square wave from 1 MHz to 3 MHz required
    • DAT - PDM data output
  • Dimensions: 14 x 12.8 x 2.8 mm
  • Weight: 0.5 g
  • Included goldpins for self-soldering