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Omnidirectionnal I2S Stereo Microphone Module
This small module integrates an omnidirectional I2S MEMS MSM261S4030H0 stereo microphone, ideal for voice detection and recognition. It directly integrates an ADC to perform the analog/digital conversion. The output is made on a 5-pin connector.
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Reference : 13949
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I2S Microphone
Omnidirectionnal I2S Stereo Microphone Module
This small module integrates an omnidirectional I2S MEMS MSM261S4030H0 stereo microphone, ideal for voice detection and recognition. It directly integrates an ADC to perform the analog/digital conversion. The output is made on a 5-pin connector.
Schéma de connexion
| Connexion Microphone - Raspberry Pi | |
|---|---|
| Microphone | Raspberry Pi |
| G | GND (Pin 6) |
| V | 3.3V (Pin 1) |
| WS | FS (Pin 35) |
| LR | 3.3V (Pin 17) or GND (Pin 14) : Used for channel selection |
| CK | CLK (Pin 12) |
| DA | DIN (Pin 38) |
Frequency response
Timing diagram
Technical characteristics
| Specifications | |
|---|---|
| Product type | I2S microphone module |
| Microphone model | MSM261S4030H0 |
| Sound pressure level | 140dB SPL |
| Microphone electrostatic discharge protection | 2(HBM)kV |
| Measurements | ||||
|---|---|---|---|---|
| Parameter | Conditions | Min. | Typ. | Max. |
| Directivity | - | Omnidirectionnal | ||
| Sensitivity | dBFS @ 1kHz 1Pa | -27dB | -26dB | -25dB |
| SNR | 20kHz, A-Weighted | - | 57 | - |
| THD | 100dB SPL @ 1kHz | - | - | 1% |
| PSR | - | - | -72dBFS(A) | - |
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