TTP224N-BSB

5.500₫

Còn hàng

TTP224N-BSB 4 Key Touch Pad Detector IC

TTP224N-BSB TTP224 SSOP16

  • Operating voltage 2.4V~5.5V
  • Built-in regulator
  • Operating current, @VDD=3V no load
  • At low power mode typical 2.5uA, At fast mode typical 9uA
  • @VDD=3V operating voltage :
  • The response time about 60mS at fast mode,160mS at low power mode
  • Sensitivity can adjust by the capacitance(0~50pF) outside for each touch pad
  • Provides Fast mode and Low Power mode selection by pad option(LPMB pin)
  • Provides direct mode or toggle mode、CMOS output or open drain output, active high or active low by pad option(TOG/AHLB/OD pin).
  • Have the maximum on time 16sec/infinite by pad option(MOT0 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 for life, and the re-calibration period is about 4.0sec, when key has not be touched.

APPLICATION

  • Wide consumer products
  • Button key replacement

DATASHEET

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