M5Stack PDM MEMS Microphone Unit (SPM1423)

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M5StackSKU: RB-Mst-85
Manufacturer #: U089

Price  :
Sale price $4.06 Regular price $4.86

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Stock  :
In stock, 5 units

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Description

  • M5Stack PDM MEMS Microphone Unit (SPM1423)
  • Offers high signal to noise ratio
  • Features anti-radio frequency interference
  • Low Power Consumption
  • Lets you PDM encoding output (CLK/DAT)
  • LEGO Compatible

The M5Stack PDM MEMS Microphone Unit (SPM1423) is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal.

It automatically switches the microphone state according to the clock frequency (power down/activate/sleep) and can be widely used for audio data collection on wearable devices and smart digital devices.

Applications

  • Spectrum Analyzer
  • Recorder
  • Loudness meter
  • 1 x PDM mini Unit
  • 1 x HY2.0 4P Cable (5 cm)

Size

  • 24 x 24 x 13 mm
  • Sensitivity: 94 dB SPL at 1 kHz Nom.: -22 dBFS
  • Signal to Noise Ratio: 94 dB SPL at 1 kHz, A-weighted Nom.: 61.4 dB
  • Total Harmonic Distortion: 100 dB SPL at 1 kHz Nom.:1%
  • Working voltage range: 1.6 to 3.6 V
  • Working Current: 600 µA
  • Weight: 4 g
  • Case Material: Plastic (PC)

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