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Products » FSA8049 Audio Jack Detection and Configuration, MIC / GND Cross Point Switch

FSA8049 − Audio Jack Detection and Configuration, MIC / GND Cross Point Switch

The FSA8049 is an audio jack detection switch for 3- or 4-pole accessories. The FSA8049 detects the locations of ground (GND) and microphone (MIC) poles on the audio plug and automatically routes them to the appropriate connections. This allows the end user to plug accessories, such as headsets with different audio pole configurations, into the mobile device and have them operate correctly.

￭ Detects 3- or 4-pole audio accessories

￭ Detects polarity of GND and MIC on 4-pole plugs

￭ Automatically routes GND and MIC to audio jack terminals

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Product Status/Pricing/Packaging

Index	Product	Product & Eco Status	*Pricing	Packaging & Packing Info	**Package Marking Convention	Qualification Support	Compliance Certificates
0	FSA8049UCX	Full Production Green as of Jul 2011	$0.363	WL-CSP 9L Details WL-CSP 9L Drawing TAPE REEL	Line 1:M3&K Show more... Line 2:&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)	ESD (HBM) : 7000 V Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260	RoHS IPC1752 RoHS/REACH/JIG RoHS/REACH/JIG

Fairchild 1,000 piece Budgetary Pricing. *
If there is no sample button displayed at the top of the page, please contact one of the Fairchild distributors or your local sales office to obtain samples.
Top mark packaging information for product FSA8049 is available. **

Features

Detection: Audio Plug GND & MIC Polarity
V_DD: 2.5 to 4.4V
THD (MIC): 0.002% Typical
ESD (IEC 61000-4-2 Air Gap): 15kV
Operating Temperature: -40°C to 85°C
Package: 9-Ball WLCSP 3x3 Array, 0.4mm Terminal Pitch, 250µm Ball
Top Mark: M3

Applications

Mobile Handsets

PMP/MP3 Players

Videos

Automatic Audio Jack Detection Demo

View all videos

Additional Resources

Design Tools Knowledgebase – Ask a Question Find a local sales office Product change notices (PCN) How to Buy Products or Order Samples

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