Discover the INMP441, a top-tier MEMS microphone with a bottom port, offering superior performance and low power consumption. With its 24-bit I2S interface, it directly connects to DSPs and microcontrollers, eliminating the need for an extra audio codec. Ideal for near-field applications, it boasts an impressive signal-to-noise ratio and a flat wideband frequency response for high-definition natural sound.
Upgrade your audio experience with the INMP441 microphone’s technological prowess.
Features :
- Digital Precision : Utilize the digital I2S interface boasting high precision 24-bit data for unparalleled audio quality.
- Optimal Signal-to-Noise Ratio: Benefit from a remarkable 61 dBA signal-to-noise ratio, ensuring clear and crisp sound reproduction.
- Enhanced Sensitivity :With a high sensitivity of -26 dBFS, capture audio with precision and clarity.
- Stable Frequency Response : Enjoy a stable frequency response spanning from 60 Hz to 15 kHz, ensuring faithful audio reproduction across a broad range.
- Efficient Power Consumption : Experience low power consumption with a mere 1.4 mA current consumption, optimizing energy efficiency.
- High PSR (Power Supply Rejection) : Achieve superior power supply rejection with a high PSR of -75 dBFS, ensuring reliable performance.
Interface Definitions :
- SCK (Serial Clock) :Drive the I2S interface with the serial data clock.
- WS (Word Selection) : Select the serial data word for I2S interface precision.
- L/R (Left/Right Channel) : Tailor your audio output by choosing between left and right channels.
- SD (Serial Data Output) : Access the serial data output of the I2S interface for seamless connectivity.
- VCC (Input Power) : Power up your device with an input range from 1.8V to 3.3V.
- GND (Power Ground) : Ensure stable power connectivity with the power ground feature.
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