The INMP441 is a high-performance, low power, digital output, omnidirectional MEMS microphone with a bottom port. The complete INMP441 solution consists of a MEMS sensor, signal conditioning, an analog-to-digital converter, anti-aliasing filters, power management, and an industry-standard 24-bit I²S interface. The I²S interface allows the INMP441 to connect directly to digital processors, such as DSPs and microcontrollers, without the need for an audio codec in the system.

The INMP441 has a high SNR and high sensitivity, making it an excellent choice for far field applications. The INMP441 has a flat wideband frequency response, resulting in natural sound with high intelligibility.

The INMP441 is available in a thin 4.72 mm × 3.76 mm × 1 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation. The INMP441 is halide free.

Product Details

Part # Market Status Output Port Location SNR AOP Sensitivity Package Size LF Cutoff
UNITS: dBA dB SPL dbfs (mm) Hz

Not Recommended for New Designs

Part # Market Status Output Port Location SNR AOP Sensitivity Package Size LF Cutoff
UNITS: dBA dB SPL dbfs (mm) Hz
INMP441
INMP441
NR/ND I²S Bottom 61 120 -26 4.72 x 3.76 x 1 N/A

Features

  • Digital I²S Interface with High-Precision 24-bit Data
  • High SNR of 61 dBA
  • High Sensitivity of -26 dBFS
  • Flat Frequency Response from 60 Hz to 15 kHz
  • Low Current Consumption of 1.4 mA
  • High PSR of −75 dBFS
  • Small 4.72 mm × 3.76 mm × 1 mm Surface-Mount Package
  • Compatible with Sn/Pb and Pb-Free Solder Processes
  • RoHS/WEEE Compliant

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