ADS7843触摸屏接口详细介绍触摸屏接口问题-ADS7843 Touchscreen interface details Touchscreen interface

The ADS7843 is a 12-bit sampling analog-to-digital con- verter (ADC) used to drive 4-wire touch-screens to serial interfaces by ratiometrically converting two differential in- put signals. The ADS7843 also produces an accurate output with the