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Working voltage range: 2.4V~5.5V

The static/standby current (low power consumption mode) is only 3uA, and the working current (fast mode) is 12uA(@VDD=3.0V and no load).

The initialization of the touch environment value is completed within 0.5s after the power supply is stable, and the touch function is invalid during this period.

The response time in fast mode is about 45ms, and the maximum response time in low power mode is about 160ms(@VDD=3.0V).

Environmental automatic calibration function: the reference value is refreshed every 1s within 8s after power-on. If there is a touch button within 8s or there is no touch button after 8s, the recalibration period is switched to 4s.

Built-in voltage stabilizing circuit provides stable voltage for detection circuit.

The built-in hardware de-jitter circuit can effectively prevent misoperation caused by external noise interference.

The ?CT8224S/SK version has no touch 16s long press reset, and a hardware power-off reset circuit (PMOS switch control) can be added externally. The CT8224SR/SF version has touch 16s reset.

External capacitors (1~47pF) can be connected to adjust the touch sensitivity.

Can be used on the surface of glass, ceramics, plastics, acrylic and other media.

HBM ESD：±6KV

Packaging forms: SOP-8L, SOT23-6L