BUY STMPE811QTR https://www.utsource.net/itm/p/5213044.html
8-bit port expander with advanced touch screen controller
The STMPE811QTR is a touch screen controller IC manufactured by STMicroelectronics. It is a low-power, low-voltage device designed to provide a complete solution for capacitive touch screen applications. The STMPE811QTR features a 16-bit I2C interface, a 12-bit analog-to-digital converter (ADC), and a programmable gain amplifier (PGA). It also includes a low-power, low-voltage, low-noise charge-transfer (CT) technology for capacitive touch sensing. The STMPE811QTR is suitable for a wide range of applications, including mobile phones, tablets, remote controls, and other consumer electronics. It can be used to detect single-point, multi-point, and proximity touch events. It is also capable of detecting and tracking up to 16 simultaneous touch points. (For reference only)