FSA8039A: Audio Jack Detection and Configuration Switch with Moisture Sensing

Description: The FSA8039A is an audio jack switch for a normall...
  • The FSA8039A 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.
  • 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
  • Features
  • Detection: Accessory Plug-In, 3-Pole or 4-Pole Audio Jack, Send / End Key Pressed, Moisture
  • Switch Type: MIC
  • VDD: 2.5 V to 4.5 V
  • VIO: 1.6 to VDD
  • THD (MIC): 0.01% Typical
  • ESD (Air Gap): 15 kV
  • Operating Temperature: -40°C to 85°C
  • Package: 10-Lead UMLP, 1.4 mm × 1.8 mm × 0.5 mm, 0.4 mm Pitch
  • Top Mark: NF
  • Applications
  • PMP/MP3 Player
  • Mobile Handsets
  • Technical Documentation & Design Resources
    Availability and Samples
    FSA8039AUMSX
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Audio Jack Detection and Configuration Switch with Moisture Sensing
  • Package Type: UQFN-10
  • Package Case Outline: 523BD
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 5000
  • Inventory

  • Market Leadtime (weeks):4 to 8
  • Arrow:0
  • Mouser:>10K
  • ON Semiconductor:85,000
  • Specifications
  • Channels:
  • Number of Switches:
  • Configuration: SPST 
  • Icc Max (µA): 30 
  • ron Max (Ω):
  • VCC Min (V): 2.5 
  • VCC Max (V): 4.5 
  • Package Type: UQFN-10 
  • ON Semiconductor Full Web Site