WM7216E Datasheet - Cirrus Logic

WM7216E Low Power Top Port Digital Silicon Microphone

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.

WM7216E 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 - Lo

WM7216E-CirrusLogic.pdf