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