TTP224 - TONTEK

TTP224 4 KEY TOUCH PAD DETECTOR IC

FEATURES ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Operating voltage 2.4V~5.5V Built-in regulator with external enable/disable option Operating current, @VDD=3V no load At low power mode typical 2.5uA At fast mode typical 9.0uA @VDD=3V operating voltage : The response time about 100mS at fast mode, 200mS at low power mode for TTP224 The response time about 60mS at fast mode, .

Features

ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Operating voltage 2.4V~5.5V Built-in regulator with external enable/disable option Operating current, @VDD=3V no load At low power mode typical 2.5uA At fast mode typical 9.0uA @VDD=3V operating voltage : The response time about 100mS at fast mode, 200mS at low power mode for TTP224 The response time about 60mS at fast mode, 160mS at low power mode for TTP224N Sensitivity can adjust by the capacitance(0~50pF) outside for each touch pad Provides Fast mode and Low Power mode selection by pad option(LPMB pin) Provides direct mode or toggle mode、CMOS output or open drain out.