DAOKAI INMP441 Omnidirectional Microphone Module I2S Interface MEMS High Precision Low Power Digital Output Sensor Module Stable Frequency Response,for ESP32

About this item

• •The INMP441 is a high performance, low power, digital output, omnidirectional MEMS microphone with bottom port
• •Product Features:
• •1. Digital I²S interface with high precision 24-bit data
• •2. High signal to noise ratio is 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: 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
• •Connect to ESP32: (INMP441 ESP32)
• •SCK >> GPIO14
• •SD >> GPIO32
• •WS >> GPIO15
• •L/R >> GND
• •GND >> GND
• •VDD >> VDD3.3.
• •Package includes:
• •1pcs INMP441 Omnidirectional Microphone Module
• •1pcs 6 Pin Header
• •1pcs 6 Pin Female to Male Cable

Specifications