FSA8029 Datasheet | Fairchild Semiconductor

- Audio Jack Send / End Detection with MIC / Video Switch March 2012 FSA8029 Audio Jack Send / End Detection with MIC / Video Switch Features Detection Switch Type VDD THD (MIC) ESD (Air Gap) Operating Temperature Package Top Mark Ordering Information Accessory Plug-In 3- or 4-Pole Audio Jack Send / End Key Pressed Microphone & Video 2.5 to 4.3V 0.01% Typical 16k V -40°C to 85°C 10-Lead UMLP 1.4x1.8x0.5mm, 0.4mm Pitch KS FSA8029UMX Applications - 3.5mm and 2.5mm Audio Jacks - Cellular Phones, Smartphones - MP3 and PMP Description The FSA8029 is an audio jack microphone / video switch for 3- or 4-pole accessories with send / end (S/E) detection. In addition to detection, the FSA8029 Features an integrated microphone / video switch that allows the processor to configure the audio jack. The architecture is designed to allow mon third-party headphones to be used for listening to music from mobile handsets, personal media players, and portable peripheral devices. - Determines when Send / End Button Key is Pressed - Integrates a MIC / Video Switch for 4-Pole Configuration - Reduces Pop / Click Caused by Microphone Bias Related Resources - For samples and questions, please contact: Analog.Switch@fairchildsemi.. - FSA8029 Demonstration Board Typical Application Baseband Processor GPIO VIO...