Component · Photonics, MEMS & Sensors
MEMS microphone
An acoustic sensor in which sound pressure deflects a micromachined diaphragm above a perforated backplate, changing capacitance that a companion ASIC amplifies and often digitises.
It offers tight part-to-part matching and reflow compatibility.
- Also known as
- Silicon microphone
- Type
- Component
- Domain
- Photonics, MEMS & Sensors, MEMS
Notes
Matching across units is what makes multi-microphone beamforming in phones and smart speakers practical.
Related terms
Part of the Photonics, MEMS & Sensors glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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