Description
BS801C/02C/04C/06C/08C Touch Key .
The BS801C/02C/04C/06C/08C are a range of 1 to 8 key touch key devices which can detect human body contact using external touch pads.
Features
* Operating voltage: 2.2V~5.5V
* Ultra low current: 3.0mA at 3V
* Auto-calibration
* High reliability touch detections
* High PSRR
* Output type: Level-hold or Toggle
* One-key or Any-key State
* Key State Mode set by pins or serial command
* Open drain NMOS outpu
Applications
* to be implemented with a minimum number of external components. The BS804C and BS808C are equipped with a One-line serial interface to allow easy communication with an external MCU for device setup and for touch pin monitoring purposes. Special internal circuitry is also employed to ensure excellent
