15-11-2021
Superb
I bought for my project and worked well...really happy
M5 Stack
M5 Stack PDM Microphone Unit (SPM1423)
M5 Stack PDM Microphone Unit (SPM1423)
Out of stock
Regular price
Rs. 391
Regular price
Rs. 464
Sale price
Rs. 391
Unit price
per
Incl. GST (No Hidden Charges)
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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
M5 Stack Get Started - Quick Guide
M5 Stack Community