APT7843
Description
The APT7843 Touch Screen Controller IC provides all the screen drive , A/D converter and control circuits to easily interface to 4 wire resistive touch screen. The IC continually monitors the screen waiting for a touch.
Key Features
- 16 pin SSOP or TSSOP Operates with four wire touch screen 8-bit or 12 bit A/D converter Ratiometric Conversion eliminates screen calibration 2 auxiliary analog inputs 4 wire serial interface Full power down control
