Bàn Phím Cảm Ứng Điện Dung 4 kênh TTP224

 TTP224 TOUCH SENSOR IC


Features and Specifications

  • Response time : 100msec-200msec
  • Low Operating voltage: 2.5-5.5 Volts
  • Operating current : 2.5 uA -9.0 uA
  • Can adjust sensitivity externally by a capacitor (0-50pF)
  • Provides a choice pin(LPMB) to select the fast or low power mode
  • Select direct or toggle power mode
  • Provides a choice pin to select active high or low output pin
  • Make the output open-drain
  • Inbuilt maximum on key time setting to return the system to the power-on state
  • Inbuilt no diode protection circuit output pin(TPQ0D)
  • Auto-calibration attribute of 4.0 sec if no touched is detected
  • Touch stability with a stability time of 0.5sec
    Data Sheet

Download Sch_PCB: Here




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