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Home » NEWEST Products » New by Manufacturer » Fairchild Semiconductor » FSA8039A Audio Jack Detection IC - Fairchild
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Fairchild FSA8039A Audio Jack Detection IC

Fairchild FSA8039A Audio Jack Detection IC

Fairchild's FSA8039A Audio Jack Detection IC is an audio jack switch for a normally open detect pin. The FSA8039A can work with 3-pole and 4-pole accessories. The FSA8039A features moisture sensing, which prevents false positive detection of accessories in the audio jack. The integrated MIC switch 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.

  • Detection
    • Accessory Plug-In
    • 3-Pole or 4-Pole Audio Jack
    • Send / End Key Pressed
    • Prevents False Detection Due to Moisture
  • Switch Type
    • MIC
  • VDD: 2.5V to 4.5V
  • VIO: 1.6 to VDD
  • THD (MIC): 0.01% Typical

  • ESD (Air Gap): 15kV
  • Operating Temperature: -40°C to 85°C
  • Package: 10-Lead UMLP, 1.4mm×1.8mm×0.5mm, 0.4mm Pitch

  • Any Device with 3.5mm and 2.5mm Audio Jack
  • Cellular Phones, Smart Phones, and Tablets
  • MP3, GPS, and PMP
Block Diagram
Block Diagram
  • Fairchild Semiconductor