FSA8108: Audio Jack Detection and Configuration Switch, Supports Volume Up/Down & Send/End Keys
The FSA8108 is an audio jack detection switch for 3- or 4-pole accessories that detects the audio plug connection. The detection circuit monitors the microphone bias voltage to detect a volume up/down or send/end key press. For system flexibility, the FSA8108 features an I2C port with registers to allow programmability of AC timing specifications.
■ Detects 3- or 4-Pole Audio Accessories
■ Removes Audio Jack Pop-and-Click Caused by MIC Bias
■ Detects Key Press: Volume Up/Down, Send/End
■ Stuck Send/End Key Recovery
■ LDO Output for MIC Bias Voltage
Features
- Detection:
- Audio Plug Connection
- Volume Up/Down Key Press
- Send/End Key Press
- Audio Plug Connection
- Volume Up/Down Key Press
- Send/End Key Press
- VDD: 2.7 to 4.5V
- VIO: 1.6V to VDD
- THD (MIC): 0.01% Typical
- LDO Output for MIC Bias Voltage: 2.4V
- ESD (IEC 61000-4-2): 15kV
- Operating Temperature: -40°C to 85°C
- Package: 12-Ball WLCSP
- Top Mark: G6
- Ordering Information: FSA8108BUCX
Ordering CodeProduct | Product & Eco Status | Unit Price/1K Order | Packing Method Convention | Package Marking Convention* |
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FSA8108BUCX | Full Production
Green as of Feb 2012
China RoHS | $0.6228 | WL-CSP 12L
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0.625 x 0 x 0mm,
TAPE REEL | Line 1G6&K
Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
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