Preliminary
TTP226
8 KEYS TOUCH PAD DETECTOR IC
GENERAL DESCRIPTION
The TTP222 is a touch pad detector IC which offers 8 touch keys.
The touching detection IC is designed for replacing traditional direct button key with fixed pad size.
Low power consumption and wide operating
voltage are the contact key features for DC or AC application.
FEATURES
Operating
voltage 2.
0V~5.
5V Operating current typical 100uA, max 160uA at VDD=3V The output refresh rate about 55Hz at VDD=3V 64 steps sensitivity selectable (SLSE0~5 pin option) Another have offer 2 kinds of base-step (OPST pin option)
Stable touching detection of human body for replacing traditional direct switch key
Prov...