Analog Devices has created two MEMS  microphones that enable advanced audio functions for portable  electronics. These functions include high-fidelity audio/video playback,  hands free communication, and voice recognition with built-in wind  noise sup
The ADMP 404 and ADMP405 iMEMS microphones offer SNR (signal-to-noise  ratio) of 62 dB A-weighted and PSRR (power supply rejection ratio) of 70  dBV with integrated high-pass filtering. The devices are available in a  3.35 mm × 2.50 mm × 0.88 mm surface-mount package for more info...