MP34DT01-M - PDM MEMS microphone - Adafruit 3492

MicrophoneMEMS based on PDM(Pulse Density Modulation) signal. It has a built-inMP34DT01-Mmodule, and communication is via the PDM interface. The signal to noise ratio SNR is 61 dB. It operatesfrom1.8 V to 3.3 V.

Product compatible with Arduino

The manufacturer provides a detaileduser guideand wiringdiagram for connectingthe sensor with the Arduino board.

The module has solder fields to which you should solder included goldpin connectors.

• 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: PDM
• Pinouts:
  • 3 V - power supply
  • GND - ground
  • SEL - channel selection, in low state transmitting to the left channel and in 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

• Manufacturer's website: Adafruit 3492
• User guide
• Arduino connection manual
• Technical Documentation MP34DT01-M