TTP223 Touch Switch Module

• The input voltage of this module is 2Volts – 5.5 VDC.
• The response time max is ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
• Sensitivity can adjust by the capacitance(0~50pF).
• Stable touching detection of the human body for replacing traditional direct switch key.
• Provides direct mode toggle mode by pad option (TOG pin).
• After power-on have about 0.5sec stable-time, during the time do not touch the keypad, and the function is disabled.
• Auto calibration and Re-calibration period is about 4.0 sec when the key has not been touched.

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