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M5stack Grove - PDM MEMS Microphone Unit (SPM1423)
5,50 €
TTC
Description PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. The microphone has high signal-to-noise ratio, high sensitivity, low power consumption, anti-radio frequency interference, smooth frequency response and other characteristics. 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.
Product Features
- I2S PORT,PDM encoding output (CLK/DAT)
- High sensitivity, high signal to noise ratio
- Low power consumption
- Anti-radio frequency interference
- Compatible with LEGO
Include
- 1x PDM mini Unit
- 1x HY2.0 4P Cable(5CM)
-
Specification
Resources Parameter Sensitivity 94dB SPL@1KHz Nom.:-22dBFS Signal to Noise Ratio 94dB SPL@1KHz,A-weighted Nom.:61.4dB Total Harmonic Distortion 100dB SPL@1KHz Nom.:1% Working voltage range 1.6 V to 3.6 V Working Current 600µA Net Weight 4g Gross Weight 8g Product Size 24*24*13mm Package Size 35*36*18mm Case material Plastic(PC)
GROVM5SPDM
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Description PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. The microphone has high signal-to-noise ratio, high sensitivity, low power consumption, anti-radio frequency interference, smooth frequency response and other characteristics. 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.