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See Technical Specifications

FSA8029UMX +BOM

Audio Jack Send / End Detection with MIC / Video Switch

Manufacturer:

Fairchild Semiconductor
Mfr.Part #:

FSA8029UMX
Datasheet:

FSA8029UMX Datasheet (PDF)
Function:

Detection Switch
Applications:

Communication Systems, Consumer Audio
Number of Channels:

1
Interface:

Logic
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FSA8029UMX General Description

The FSA8029 is an audio jack microphone / video switch for 3- or 4-pole accessories with send / end (S/E) detection. In addition to detection, the FSA8029 features an integrated microphone / video 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 When Send / End Button Key is Pressed
￭ Integrates a MIC / Video Switch for 4-Pole Configuration
￭ Reduces Pop / Click Caused by Microphone Bias

Application

Mobile Handsets
PMP/MP3 Players

Specifications

Series	-	Function	Detection Switch
Applications	Communication Systems, Consumer Audio	Number of Channels	1
Interface	Logic	Voltage - Supply	2.5V ~ 4.3V
Operating Temperature	-40°C ~ 85°C (TA)	Specifications	4-Pole
Mounting Type	Surface Mount	Base Product Number	FSA80