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TTP224

TONTEK
Part Number TTP224
Manufacturer TONTEK
Description 4 KEY TOUCH PAD DETECTOR IC
Published Aug 28, 2014
Detailed Description Preliminary TTP224/TTP224N TonTouchTM 4 KEY TOUCH PAD DETECTOR IC The TTP224/TTP224N TonTouchTM IC is capacitive sensi...
Datasheet PDF File TTP224 PDF File

TTP224
TTP224

Overview
Preliminary TTP224/TTP224N TonTouchTM 4 KEY TOUCH PAD DETECTOR IC The TTP224/TTP224N TonTouchTM IC is capacitive sensing design specifically for touch pad controls.
The device built in regulator for touch sensor.
Stable sensing method can cover diversity conditions.
Human interfaces control panel links through non-conductive dielectric material.
The main application is focused at replacing of the mechanical switch or button.
The ASSP can independently handle the 4 touch pads with 4 direct output pins.
GENERAL DESCRIPTION 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 p...


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