The ICS-43432 is a digital I²S output bottom port microphone. The complete ICS-43432 solution consists of a MEMS sensor, signal conditioning, an analog-to-digital converter, decimation and anti-aliasing filters, power management, and an industry standard 24-bit I²S interface. The I²S interface allows the ICS-43432 to connect directly to digital processors, such as DSPs and microcontrollers, without the need for an audio codec in the system.

The ICS-43432 has a high SNR of 65 dBA and a wideband frequency response. The sensitivity tolerance of the ICS‐43432 is ±1 dB, which enables high-performance microphone arrays without the need for system calibration.

The ICS-43432 is available in a small 4 mm × 3 mm × 1 mm surface-mount package.

Product Details

Part # Market Status Output Port Location SNR AOP Sensitivity Package Size LF Cutoff
UNITS: dBA dB SPL dbfs (mm) Hz
ICS-43432
ICS-43432
Production I²S Bottom 65 116 -26 4 x 3 x 1 50

Documentation & Resources

Features

  • Digital I²S Interface with High Precision 24-bit Data
  • High 65 dBA SNR
  • −26 dB FS Sensitivity
  • ±1 dB Sensitivity Tolerance
  • Wide Frequency Response from 50 Hz to 20 kHz
  • Low Current Consumption: 1.0 mA
  • High Power Supply Rejection: −80 dB FS
  • 116 dB SPL Acoustic Overload Point
  • Small 4 mm × 3 mm × 1 mm Surface-Mount Package
  • Compatible with Sn/Pb and Pb-Free Solder Processes
  • RoHS/WEEE Compliant

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