Datasheet Summary
Preliminary
TTP225 TonTouchTM
8 KEYS TOUCH PAD DETECTOR IC
GENERAL DESCRIPTION
The TTP225 TonTouchTM is a touch pad detector IC with open drain output 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
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Operating voltage 2.0V~5.5V Operating current typical 120uA, max 160uA at VDD=3V The output refresh rate about 85Hz 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...