WM7211E Overview
The WM7211 is a low-profile silicon digital microphone. It offers high Signal-to-Noise Ratio (SNR) and low power consumption and is suited to a wide variety of consumer applications. The WM7211 incorporates Cirrus’s proprietary CMOS/MEMS membrane technology, offering high reliability and high performance in a miniature, low-profile package.
WM7211E Key Features
- High SNR (61dB)
- Low variation in sensitivity (±1dB tolerance)
- Low current consumption
- 2μA (Sleep)
- 735μA (Normal operation)
- PDM digital audio output
- Stereo/array operation
- Proprietary ADC technology
- Reduced clock jitter sensitivity
- Low noise floor