FSA8039UMSX_F106
FSA8039UMSX_F106 Datasheet
FSA8039 Audio Jack Detection and Configuration Switch with Moisture Sensing
| Part | Datasheet |
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FSA8039UMSX_F106 |
FSA8039UMSX_F106 (pdf) |
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| FSA8039 Audio Jack Detection and Configuration Switch with Moisture Sensing October 2013 FSA8039 Audio Jack Detection and Configuration Switch with Moisture Sensing Detection Switch Type VDD VIO THD MIC ESD Air Gap Operating Temperature Package Top Mark Ordering Information Accessory Plug-In 3-Pole or 4-Pole Audio Jack Send / End Key Pressed Moisture MIC V to V to VDD Typical 15 kV -40°C to 85°C 10-Lead UMLP, mm x mm x mm, mm Pitch FSA8039UMSX_F106 • mm and mm Audio Jacks • Cellular Phones, Smart Phones • MP3 and PMP The FSA8039 is an audio jack detection switch for 3-pole and 4-pole accessories. The FSA8039 features moisture sensing, which prevents false positive detection of accessories in the audio jack. The FSA8039 also features an integrated MIC switch that allows a processor to configure attached accessories. The architecture is designed to allow common third-party headphones to be used for listening to music from mobile handsets, personal media players, and portable peripheral devices. • Prevents False Detection of Accessories in the Audio Jack when Moisture is Present • Removes Audio Jack Pop & Click Caused by MIC Bias • Detects Audio Jack Accessories: - Standard Headphones - Send / End Button Presses • Integrates a MIC Switch for 4-Pole Configuration Related Resources • FSA8039 Evaluation Board • For samples and questions, please contact: GPIO Interface Baseband FSA8039 Logic Insert and Moisture Detection Jack Detect Audio Jack CODEC Key Detection Figure System Diagram MIC - Send/End Key FSA8039 Audio Jack Detection and Configuration Switch with Moisture Sensing Typical Application Diagram To MIC Pre-Amp MIC Bias Battery 1 J_MIC J_DET Processor IO Supply 1 µF TVS Diode MIC GND L_DET 4-Pole Audio Jack Pin Configuration Figure Typical Application 10 J_DET Pin Definitions 9 GND |
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