Analog IC / Touch Sensor

IT7259E: Self-Cap Touch Controller for Wearable Device

The IT7259E is a 24/17-channel capacitance sensor detection controller companioned with one ITO film screen module to implement multi-touch functionality. It integrates one single electrode 24/17-channel capacitance-to-digital converter (CDC), one high performance low-power-consumption 8-bit MCU, flexible memory support, and many powerful hardware functions. The internal CDC has one automatic calibrate and compensates engine to remove effect from environmental change.

The IT7259E supports I2C interface only. The serial interface is to communicate with the host.

The IT7259E is available in 32-pin XQFN and 28-pin XQFN packages. It needs one power 2.6V-3.6V source, and IO voltage level can operate at 1.8V-3.6V.

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