Microphone Interface Chip Suppresses EMI/RFI Noise

STMicroelectronics’ new miniature printed circuit board mounted microphone interface circuitry integrates noise filtering and ESD protection on single IC. Although demand for embedded microphones is increasing, little extra space – if any – is available inside the enclosure. Designers need solutions that make the microphone smaller and allow the essential interface circuitry to be mounted on the printed circuit board. ST’s EMIF02-MIC07F3 is a next-generation device integrating the complete noise filtering, ESD protection and biasing for one microphone in a single IC occupying only 1.37mm². The single chip replaces multiple discrete components that consume at least 20.8mm².Learn more from STMicroelectronics.