WAS4736 Description
WAS4736 MIC/GND Cross-point Switch for CITA and OMTP Mobile Audio Key Application WAS4736 http://.sh-willsemi. 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...