Description
19-4711; Rev 0; 7/09 www.DataSheet4U.com Low-Power, Ultra-Small Resistive Touch-Screen Controllers with I2C/SPI Interface General .
The MAX11800.
MAX11803 low-power touch-screen controllers operate from a single supply of 1.
Features
* 4-Wire Touch-Screen Interface X/Y Coordinate and Touch Pressure Measurement Ratiometric Measurement 12-Bit SAR ADC Single 1.7V to 3.6V Supply Two Operating Modes
* Direct and Autonomous Data Tagging Provides Measurement and Touch Event Information Data Filtering Provides Noise Reduction Apertu
Applications
* such as handheld equipment. The devices contain a 12-bit SAR ADC and a multiplexer to interface with a resistive touch-screen panel. A digital serial interface provides communications. The MAX11800
* MAX11803 include digital preprocessing of the touch-screen measurements, reducing bus loading