APT7843 Datasheet (Anpec Electronics) - Touch Screen Controller

APT7843, Touch Screen Controller

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.

When the screen touched , the IC performs A/D converter to determine the locatio

APT7843 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 Applications