TTP223 1-Channel Capacitive Touch Sensor Module

Specifications and Features of TTP223 1-Channel Capacitive Touch Sensor Module Red Color:-

• Supports momentary or latching/toggle modes.
• Supports Active High or Active Low output signal modes.
• Dimensions : 15mm x 11mm.
• 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).
• Have two kinds of sampling length by pad option(SLRFTB pin).
• Stable touching detection of the human body for replacing traditional direct switch key.
• All output modes can be selected active high or active low by pad option(AHLB 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.
• Re-calibration period is about 4.0 sec when the key has not be touched.