Chip Combines Audio Filtering And ESD Protection

Oct. 8, 2008
Forecasting space savings up to 77% when compared discrete designs, the EMIF06-AUD01F2 integrates complete EMI filtering and ESD protection for stereo headset output and external/internal microphones within a flip-chip package measuring 2.42 mm x 1.92

Forecasting space savings up to 77% when compared discrete designs, the EMIF06-AUD01F2 integrates complete EMI filtering and ESD protection for stereo headset output and external/internal microphones within a flip-chip package measuring 2.42 mm x 1.92 mm. The device eliminates audible handset demodulation noise by achieving a -25 dB attenuation (S21) throughout the stop-band from 800 MHz to 2.48 GHz via 1.3-nF PZT capacitors on the microphone lines. The device provides ESD protection through the combination of integrated TVS diodes, low-inductance packaging, and a Z-R-Z pi-filter topology. All necessary biasing circuitry is also on chip as well as a 10-Ohm series resistor in the speaker circuit. Price for the EMIF06-AUD01F2 is $0.55 each/1,000. STMICROELECTRONICS, Lexington, MA. (888) 787-3550.

Company: STMICROELECTRONICS

Product URL: Click here for more information

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