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ICS-40638

High‑AOP Analog MEMS Microphone with Differential Output

The ICS-40638 is an analog MEMS microphone with very high dynamic range and capable of operation up to 105°C. The ICS‑40638 includes a MEMS microphone element, an impedance converter, and a differential output amplifier.

Other high-performance specifications include 138 dB SPL acoustic overload point, tight ±1 dB sensitivity tolerance and enhanced immunity to both radiated and conducted RF interference.

The ICS-40638 is available in a small 3.50 × 2.65 × 0.98 mm bottom port surface-mount package.

ICS-40638


Target Markets

  • Automotive
  • Still and video cameras
  • IoT devices


Product Details

ProductPackage
Size
OutputPort
Location

SNR
(dBA)
AOP
(dB SPL)
Sensitivity
(dbfs)
LF Cutoff
(Hz)
Status
Purchase

ICS-40638
3.5 × 2.65 × 0.98AnalogBottom6313835Production

Features & Benefits

  • Differential non-inverting analog output
  • −43 dBV sensitivity (differential)
  • ±1 dB sensitivity tolerance
  • Extended frequency response from 35 Hz to 20 kHz
  • Enhanced RF immunity
  • −81 dB PSRR
  • 50 × 2.65 × 0.98 mm surface-mount package
  • Compatible with Sn/Pb and Pb-free solder processes
  • RoHS/WEEE compliant

Documentation & Resources

Datasheet / Product BriefVersionUpdatedDownload
DS-000281 – ICS-40638 Datasheet1.12020-04-15Datasheet


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