📦Free shipping over $10 in most countries and regions!



HALJIA Omnidirectional Microphone Module I2S Interface INMP441 MEMS High Precision Low Power Ultra Small Volume INMP441 Omnidirectional Microphone Module DIY Kit Accessories Compatible with ESP32

Regular price $6.99

Shipping calculated at checkout.
  • The INMP441 is a high performance, low power, digital output, omnidirectional MEMS microphone with bottom port.
  • With a high signal-to-noise ratio, the INMP441 is an excellent choice for near-field applications. The INMP441 has a flat wideband frequency response that results in high definition of natural sound.
  • The I2S interface allows the INMP441 to be directly connected to digital processors such as DSPs and microcontrollers without the need for an audio codec for use in the system.
  • The structural design is tight and strong, ensuring quality. Digital I2S interface with high precision 24-bit data; High signal to noise ratio is 61 DBA; High sensitivity-26 DBFS.
  • The style is light, classic and easy to carry. Can be used as an external microphone and speaker equipment accessory for computers.

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
7.Size: 14 x 14 x 11 mm 
8.Weight: 0.6g

Interface definition:
SCK: I2S interface Serial data clock 
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


Packing List:
1 x Omnidirectional microphone module