FSA8039A interface equivalent, audio jack interface.
* Detection: - Accessory Plug-In - Send / End Key Press - Prevents False Detection due to Moisture
* VDD: 2.5 V to 4.5 V
* VIO: 1.6 V to VDD
* THD (MIC): .
* Any Device with 3.5 mm and 2.5 mm Audio Jack
* Cellular Phones, Smart Phones, and Tablets
* MP3, GPS, and .
The FSA8039A is a detection switch for an audio jack that employs a normally open detect pin. The FSA8039A works with 3-pole and 4-pole accessories. The FSA8039A features moisture sensing that prevents false detection of accessories in the audio jack.
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