The ICS-40300 is a low-noise, high SPL MEMS microphone with extended low frequency response. The ICS-40300 consists of a MEMS microphone element and an impedance converter amplifier. The ICS-40300 low frequency response makes it an excellent choice for applications requiring precise phase matching.

The ICS-40300 is pin compatible with theINMP401 and INMP411 microphones, providing an easy upgrade path. The ICS-40300 has a linear response up to 130 dB SPL. It offers low frequency extension down to 6 Hz, resulting in excellent phase characteristics in the audio range. Low current consumption enables long battery life for portable applications. The ICS-40300 is available in a 4.72 mm × 3.76 mm × 3.5 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation.

Product Details

Part # Market Status Output Port Location SNR AOP Sensitivity Package Size LF Cutoff
UNITS: dBA dB SPL dbfs (mm) Hz
ICS-40300
ICS-40300
Production Analog Bottom 63 130 -45 4.72 × 3.76 × 3.5 6

Documentation & Resources

Features

  • 4.72 mm × 3.76 mm × 3.5 mm Surface-Mount Package
  • Extended Frequency Response from 6 Hz to 20 kHz
  • 130 dB SPL Acoustic Overload Point
  • Sensitivity -45dBV
  • Omnidirectional Response
  • High SNR of 63 dBA
  • Low Current Consumption: <220 μA
  • Single-Ended Analog Output
  • High PSR of -80 dBV
  • Compatible with Sn/Pb and Pb-Free Solder Processes
  • RoHS/WEEE Compliant

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