TTP229-GQD Overview
The TTP229-GQD TonTouchTM IC is capacitive sensing design specifically for touch pad controls. The device built in regulator for touch sensor. Stable sensing method can cover diversity conditions.
TTP229-GQD Key Features
- Operating voltage：2.4V~5.5V
- Built-in regulator
- Stand-by current
- Provides I2C-bus slave interface
- Offer multi-key or single-key feature by option
- Provides two kinds of sampling rate that slow sampling rate 8Hz
- Have the maximum key-on time about 80sec by pin option
- Sensitivity can adjust by the capacitance(1~50pF) outside
- After power-on have about 0.5sec sta