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WM7216E Key Features

  • High SNR (63dB)
  • Low variation in sensitivity (±1dB tolerance)
  • Low current consumption
  • 10μA (Sleep)
  • 290μA (Voice mode)
  • 980μA (Hi-Fi Record mode)
  • PDM digital audio output
  • Stereo/array operation
  • Proprietary ADC technology
  • Reduced clock-jitter sensitivity

WM7216E Description

The WM7216 is a low-profile digital silicon microphone, optimised for use with low-power ‘Always-on’ voice control applications, such as Cirrus Logic® SoundClear™ software. The WM7216 supports two operational modes, selected according to the applied clock frequency. ‘Voice’ mode provides low current consumption, and sufficient SNR performance for speech recognition algorithms.