Datasheet Summary
Professional Touch Sensor Chip Supplier WTC7508DSI http://.wintech.
WTC7508DSI 8-Channel Capacitive-Sensing Touch Button Chip
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Number of keys
3-8 keys
Technical principle Key response mode
Dimension of key sense element Spacing of key sense element Shape of key sense element Material of key sense element Requirements for PCB Panel material Panel thickness
Capacitive to digital conversion technology
When it is set as IIC output, WTC7508DSI is the SHIFT mode, and when it is the multi-key touch, it is reflected in the order of operation. When it is set as BCD output, WTC7508DSI is the single key output mode, which can only operate one key one time. Minimum 3mm...