TDK ICS-40638 series high AOP analog MEMS microphone

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 138dB 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 3.50mm × 2.65mm × 0.98mm bottom port surface‐mount package. 

Features

• Differential non‐inverting analog output
• 43dBV sensitivity (differential)
• ±1dB sensitivity tolerance
• Extended frequency response from 35Hz to 20kHz
• Enhanced RF immunity
• 81dB PSRR
• 3.50mm × 2.65mm × 0.98mm surface‐mount package
• Compatible with Sn or Pb and Pb‐free solder processes
• RoHS or WEEE compliant

Applications

• Automotive
• Still and video cameras
• IoT devices