Description

Features

• Operating Voltage: 2.0V~5.5V
• Operating Current VDD=3V, no-load, SLRFTB=1
• The response time max about 60mS at fast mode, 220mS at low power mode VDD=3V
• Sensitivity can adjust by the capacitance(0-50pF) outside
• Have two kinds of sampling length by pad option(SLRFTB pin)
• Stable touching detection of the 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)
• The open-drain mode by bonding option, OPDO pin is an 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 keypad, And the function is disabled
• Auto calibration for the life
• The re-calibration period is about 4.0sec when the key has not to be touched