TTP223 CAPACITIVE TOUCH MODULE
Input Voltage : 2 Volt – 5.5 Volts DC.
The response time max ~ 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 be touched.