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High-Precision Low-ower INMP441 Omnidirectional Microphone Module I2S Interface Supports ESP32

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High-Precision Low-ower INMP441 Omnidirectional Microphone Module I2S Interface Supports ESP32

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INMP441 omnidirectional microphone module MEMS high-precision 
low-power I2S interface supports ESP32

Product characteristics:

INMP441 is a high-performance, low-power, digital output, omnidirectional MEMS
microphone with bottom port.
1. Digit I with high-precision 24 bit data I² S interface
2. High signal-to-noise ratio of 61 dBA
3. High sensitivity -26 dBFS
4. Stable frequency response from 60 Hz to 15 kHz
5. Low power consumption: Low current consumption 1.4 mA
6. High PSR: -75 dBFS
Interface Definition:SCK: I ² Serial data clock of S interface WS: For I ² Serial Data Word Selection for S Interface L/R: Left/right channel selection. Set to low battery level, microphone at I ² Left channel output signal of frame S. Set to high level, microphone outputs signal on the right channel SD: I ² Serial data output of the S interface. VCC: Input power supply, 1.8V to 3.3V GND: power ground


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