TTP223 Capacitive Touch Sensor Button

40.00

TTP223 Capacitive Touch Sensor Button

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Description

FEATURES Of Red TTP223 Touch Button Module

  • 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 human body for replacing traditional direct switch key.
  • Provides Fast mode and Low Power mode selection by pad option(LPMB pin).
  • Provides direct mode、toggle mode by pad option(TOG pin).
  • Open drain mode by bonding option, OPDO pin is open drain output, Q pin is CMOS output.
  • All output modes can be selected active high or active low by pad option(AHLB pin).
  • Have the maximum on time 100sec by pad option(MOTB pin).
  • Have external power on reset pin(RST pin).
  • After power-on have about 0.5sec stable-time, during the time do not touch the key pad, and the function is disabled.
  • Auto calibration.
  • Re-calibration period is about 4.0 sec, when key has not be touched.

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