Description

The INMP441 Omnidirectional Microphone Module is a high-performance, ultra-small MEMS microphone designed for digital audio processing. Featuring a bottom port and a digital I2S interface, this module integrates a MEMS sensor, signal conditioning, an ADC, an anti-aliasing filter, and power management in a compact design. Its wideband frequency response and excellent signal-to-noise ratio make it ideal for near-field applications, providing natural and high-definition audio capture. Compatible with DSPs and microcontrollers, the INMP441 eliminates the need for an external audio codec, ensuring a streamlined and efficient setup.

Why Choose the INMP441 Microphone Module?

The INMP441 stands out with its precision audio capture, low power consumption, and versatile digital interface. Whether you're developing audio recording systems, voice recognition applications, or compact IoT devices, this microphone offers high sensitivity and reliable performance. Its stable frequency response ensures clear sound reproduction, making it suitable for a wide range of applications.

Key Features

Digital Interface: High precision 24-bit I2S interface for seamless connectivity.
Signal-to-Noise Ratio: 61 dBA for clear audio capture.
Sensitivity: High sensitivity at -26 dBFS.
Frequency Response: Stable and flat response from 60 Hz to 15 kHz for natural sound reproduction.
Low Power Consumption: Operates at just 1.4 mA, ideal for battery-powered devices.
High PSR: Excellent power supply rejection at -75 dBFS.
Compact Design: Ultra-small form factor with a bottom port for space-constrained applications.

Technical Specifications

Interface: Digital I2S, 24-bit output
Signal-to-Noise Ratio: 61 dBA
Sensitivity: -26 dBFS
Frequency Response: 60 Hz to 15 kHz
Power Consumption: 1.4 mA
PSR: -75 dBFS
Application Compatibility: Works with DSPs and microcontrollers without requiring an external audio codec

The INMP441 Omnidirectional Microphone Module is the perfect solution for developers seeking high-quality audio performance in compact and power-efficient designs. Its seamless digital interface and exceptional audio clarity make it ideal for advanced audio and IoT applications.