FSA8069 — Audio Jack IC Featuring Impedance and Moisture Detection February 2015 FSA8069 Audio Jack IC Featuring Impedance and Moisture Detection Features  Detection: - Accessory Plug-In - Send / End Key Press - Impedance Detection - Prevents False Detection due to Moisture  VDD: 3.
0 V to 4.
5 V  VIO: 1.
6 V to VDD  THD (MIC): 0.
01% Typical  15 kV Air Gap ESD  Detects 7 Steps of Headset Impedance  Integrates LDO for MIC Bias Circuit  MIC Switch Removes Audio Jack “Pop” and “Click” Caused by MIC Bias Applications  Any Device with 3.
5 mm and 2.
5 mm Audio Jack  Cellular Phones, Smart Phones, and Tablets  MP3, GPS, and PMP Processor FSA8069 I2C / Control Impedance / Moisture De...

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