DORHEA 4PCS INMP441 MEMS Omnidirectional Microphone Module I2S Interface High-precision, low-power consumption, ultra-small volume I2S interface for ESP32

About this item

• •Digital I2S interface with high precision 24-bit data
• •High signal to noise ratio is 61 dBA
• •High sensitivity - 26 dBFS
• •Stable frequency response from 60 Hz to 15 kHz
• •Low power consumption: low current consumption 1.4 mA
• •High PSR: -75 dBFS
• •Interface definition:
• •SCK: Serial data clock for I2S interface
• •WS: Serial data word selection for I2S interface
• •L/R: Left/Right channel selection.
• •When set to low, the microphone outputs a signal on the left channel of the I2S frame.
• •When set to high level, the microphone outputs signals on the right channel
• •SD: Serial data output of the I2S interface.
• •VCC: Input power, 1.8V to 3.3V.
• •GND: power ground
• •This product provides tutorials for using ESP32 modules with I2S functionality.
• •Connect to ESP32:
• •INMP441 ESP32
• •SCK >> GPIO14
• •SD >> GPIO32
• •WS >> GPIO15
• •L/R >> GND
• •GND >> GND
• •VDD >> VDD3.3
• •Package include:
• •4 x INMP441 omnidirectional microphone module

Specifications