APT7843 Datasheet | Anpec Electronics

Touch Screen Controller 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. When the screen touched , the IC performs A/D converter to determine the location of touch. Also , this device has 2 auxiliary input to A/D converter , allowing for the measurement of other inputs such as battery voltage. 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...