Audio Jack Detection and Configuration Switch

Obsolete

Overview

The FSA8008A is an audio jack detector and switch for 3- or 4-pole accessories. In addition to detection, the FSA8008 features an integrated MIC switch that allows the processor to configure the audio jack. 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.
■ Determines 3- or 4-Pole Audio Jacks
■ Removes Audio Jack Pop-n-Click Caused by MIC Bias
■ Detects Audio Jack Accessories:
- Standard Headphones
- Headsets with MIC
- Send / End Button Presses
■ Integrates a MIC Switch for 4-Pole Configuration

  • Mobile Handsets
  • PMP/MP3 Players

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CAD Models

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MSL Type

MSL Temp (°C)

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ron Max (Ω)

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Reference Price

FSA8008AUMX

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Obsolete

CAD Model

Pb

A

H

P

UQFN-10

1

260

REEL

5000

1

1

SPST

25

2.9

2.5

4.4

Price N/A

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