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FSA8049 - Audio Jack Detection

General Description

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.

Key Features

  • Detection VDD THD (MIC) ESD (IEC 61000-4-2) (Air Gap) Operating Temperature Package Top Mark Ordering Information Audio Plug GND & MIC Polarity 2.5 to 4.4 V 0.002% Typical 15 kV -40°C to 85°C 9-Ball WLCSP 3x3 Array, 0.4 mm Terminal Pitch, 250 µm Ball M3 FSA8049UCX.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FSA8049 — Audio Jack Detection and Configuration, MIC/GND Cross point Switch August 2012 FSA8049 Audio Jack Detection and Configuration, MIC / GND Cross Point Switch Features Detection VDD THD (MIC) ESD (IEC 61000-4-2) (Air Gap) Operating Temperature Package Top Mark Ordering Information Audio Plug GND & MIC Polarity 2.5 to 4.4 V 0.002% Typical 15 kV -40°C to 85°C 9-Ball WLCSP 3x3 Array, 0.4 mm Terminal Pitch, 250 µm Ball M3 FSA8049UCX Applications  Cellular Phones, Smart Phones  MP3 and Portable Multimedia Player Description 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.