The sensing device is a MEMS microphone that outputs a pulse density modulated (PDM) signal. There are chips available to directly interface such a microphone to a USB port, but [Mahesh] found ...
The IC provides an electrical interface to the sensor or actuator, signal processing / compensation, and an analog ... Electronics: MEMS devices are ubiquitous in consumer electronics. Accelerometers ...
"X-FAB is a leading pure-play analog and mixed-signal semiconductor foundry ... processes may contribute further to the growth of silicon microphones by allowing MEMS devices to meet the challenging ...