TTP223N-DO8

TTP223N-DO8 1 KEY TOUCH PAD DETECTOR IC GENERAL DESCRIPTION The TTP223N-DO8 TonTouchTM is a touch pad detector IC which offers 1 touch key. The touching detection IC is designed for replacing traditional direct button key with diverse pad size. Low power consumption and wide operating voltage are the contact key features for DC or AC application. FEATURES ƒ Operating voltage 2.0V~5.5V ƒ Operating current @VDD=3V, no load At low power mode typical 1.5uA, maximum 3.0uA At fast mode typical 3.5uA, maximum 7.0uA The response time max about 60mS at fast mode, 220mS at low power mode @VDD=3V ƒ Sensitivity can adjust by the capacitance(1~50pF) outside ƒ Stable touching detection of human body for replacing traditional direct switch key ƒ Provides Fast mode and Low Power mode selection by pad option(LPMB pin) ƒ Provides direct mode、toggle mode by pad option(TOG pin) Q pin is CMOS output ƒ All output modes can be selected active high or active low by pad option(AHLB pin) ƒ Have the ma...