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CMEJ Series Electret Condenser Microphones

2019-08-14

CUI’s CMEJ omnidirectional electret condenser microphones come in compact packages with diameters as small as 4 mm and depths as low as 1.3 mm. Available in surface-mount, solder pad, pin-type, or wire-lead termination packages, these highly economical microphones feature signal-to-noise ratios ranging from 60 dBA to 70 dBA, 0.5 µA current consumption, and a 2.2 KΩ output impedance.

Features
  • Diameters from 4 mm to 7 mm
  • Surface-mount, solder-pad, pin-type, or wire-lead terminations
  • 0.5 µA current consumption
  • 2.2 KΩ output impedance
  • Operating voltages from 2 VDC to 4.5 VDC
  • 100 Hz to 10,000 Hz operating frequency
  • Profiles as low as 1.3 mm
  • Omnidirectional directivity
  • Top port
  • Signal to noise ratios from 60 dBA to 70 dBA