Digital MEMS Microphone from Analog Devices

The ADMP441 from Analog Devices Inc., Norwood, MA, is a MEMS microphone that provides an I²S digital output. Features include frequency response from 100 Hz to 15 kHz, SNR of 61 dBA, PSRR of 80 dBFS, audio signal processing technologies, and a size of 4.72 by 3.76 by 1.00 mm. The iMEMS device fully complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones standard and is reflow-solder-compatible with no sensitivity degradation.