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M5 Stack PDM Microphone Unit (SPM1423)
M5 Stack PDM Microphone Unit (SPM1423)
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- I2S PORT,PDM encoding output (CLK/DAT)
- High sensitivity, high signal to noise ratio
- Low power consumption
- Anti-radio frequency interference
- Compatible with LEGO
| Also checkout M5 Stack Development Kits, Sensors&Hats, Cameras and Modules collection |
M5 Stack PDM Microphone Unit (SPM1423)
PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. The microphone has a 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 the audio data collection on wearable devices and smart digital devices.
Applications:
- Spectrum Analyzer
- Recorder
- Noise meter
Package Includes:
1x PDM mini Unit
1x HY2.0 4P Cable(5CM)
Specifications:
| 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 |
| Dimensions |
24 x 24 x 13mm |
| Weight | 8gm |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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ADDITIONAL RESOURCES
SPM1423 Datasheet
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I bought for my project and worked well...really happy