VKD223EB Overview
VKD223EB 1ch Touch/One-to-one output VKD223EB is a touch pad detector IC which offers 1 touch keys，It can detect human body contact using external touch pads. The high level of device integration enable applications to be implemented with a minimum number of external ponents. It has 1 Output pin，the output level, output mode can be selected through IO pin.
VKD223EB Key Features
- Operating voltage:2.0-5.5V
- Standby current: 1.5uA/3V
- Operating current: 4.0uA/3V
- Key Response Time：Normal Mode 60mS ，Standby Mode 220mS
- AHLB pin selects the output level：Active level- high or Active level- low
- TOG pin selects the output mode：Direct output or Latch output
- Add a capacitor（0-50pF） to a touch key pin can fine tune the sensitivity for single key
- After power-on have about 0.5S stable-time, during the time do not touch the key
- Auto-calibration Function
- Package SOT23-6L(3mm x 3mm PP=0.95mm)
