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WAS4736 - MIC/GND Cross-point Switch

Description

The WAS4736 is an audio jack detection switch for CITA and OMTP 4-pole accessories.

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Datasheet Details

Part number WAS4736
Manufacturer WillSEMI
File Size 347.73 KB
Description MIC/GND Cross-point Switch
Datasheet download datasheet WAS4736 Datasheet

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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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WAS4736 MIC/GND Cross-point Switch for CITA and OMTP Mobile Audio Key Application WAS4736 http://www.sh-willsemi.com Descriptions The WAS4736 is an audio jack detection switch for CITA and OMTP 4-pole accessories. The pin MIC is on audio key side, as WAS4736' O1/O2 is plugged into audio jack of cell phone, it will detect the locations of ground (GND) and microphone (MIC) poles on the audio plug and automatically routes them to the appropriate connections. SOT-353(SC70-5) The MIC switch' Ron is 5 Ω (typical) while the Ground switch has a low Ron of 0.5 Ω (typical) to minimize voltage drop across it, preventing undesired increase in ground reference voltage. As VCC is power-up, WAS4736 is enabled and it consumes ultra-low quiescent current, less than 600nA (typical).
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