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APT7843

Anpec Electronics
Part Number APT7843
Manufacturer Anpec Electronics
Description Touch Screen Controller
Published Jun 12, 2007
Detailed Description APT7843 Touch Screen Controller Description The APT7843 Touch Screen Controller IC provides all the screen drive , A/D ...
Datasheet PDF File APT7843 PDF File

APT7843
APT7843

Overview
APT7843 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 interfac...


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