INMP441 MEMS High Precision Omnidirectional Microphone I2S SNR Low Power Module
The INMP441 is a high-performance, low-power, digital-output, omnidirectional MEMS microphone module designed for advanced audio and voice recognition applications. It integrates a MEMS sensor, signal conditioning, an analog-to-digital converter (ADC), anti-aliasing filters, power management, and a standard 24-bit I²S interface, allowing seamless connection to digital processors without the need for an audio codec.
Key Features:
- Digital I²S interface with high-precision 24-bit data
- High Signal-to-Noise Ratio (SNR) of 61 dBA
- Sensitivity: -26 dBFS
- Flat frequency response from 60 Hz to 15 kHz
- Low current consumption of 1.4 mA
- High Power Supply Rejection (PSR) of -75 dBFS
- Compact surface-mount package: 4.72 × 3.76 × 1 mm
- RoHS/WEEE compliant
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Frequently Asked Questions (FAQ)
What is the operating voltage range for the INMP441 module?
The INMP441 operates within a voltage range of 1.8 V to 3.3 V.
Can this module be used with microcontrollers that have an I²S interface?
Yes, the INMP441 is designed to interface directly with microcontrollers and digital signal processors (DSPs) that support the I²S protocol.
Is the INMP441 suitable for far-field voice recognition applications?
While the INMP441 has a high SNR and flat frequency response, it is optimized for near-field applications. For far-field voice recognition, additional signal processing may be required.
Package Includes:
- 1 x INMP441 MEMS High Precision Omnidirectional Microphone Mod
