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FSA8039A - Audio Jack Interface

Description

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.

Features

  • 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): 0.01% Typical.
  • 15 kV Air Gap ESD.
  • MIC Switch Removes Audio Jack “Pop” and “Click” Caused by MIC Bias.

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Datasheet preview – FSA8039A

Datasheet Details

Part number FSA8039A
Manufacturer ON Semiconductor
File Size 384.47 KB
Description Audio Jack Interface
Datasheet download datasheet FSA8039A Datasheet
Additional preview pages of the FSA8039A datasheet.

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Full PDF Text Transcription

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FSA8039A — Audio Jack Interface Solution with Moisture Sensing FSA8039A Audio Jack Interface Solution with Moisture Sensing Features  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): 0.01% Typical  15 kV Air Gap ESD  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 Description 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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