Electronic Design

MEMS Mics Magnify Audio Experience

Set for deployment in mobile products, the MP34DB01 and MP45DT02 micro-electro-mechanical systems (MEMS) microphones enable enhanced an audio experience in mobile phones and portable computers. In a 3 mm x 4 mm x 1 mm package, the MP34DB01 delivers a flat frequency response from 20 Hz to 20 kHz with a SNR of 62 dB and a PSNR 70 dB. The MP45DT02 is a top-port, 3.76 mm x 4.72 mm x 1.25 mm device. It specifies a SNR of 58 dB. Unit pricing for both devices is $1.4 each/1000. STMICROELECTRONICS, Lexington, MA. (888) 787-3550.

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