The AD7879/AD7889 are 12-bit successive approximation analog-to-digital converters (SAR ADCs) with a synchronous serial interface and low on-resistance switches for driving 4-wire resistive touch screens.
The AD7879/AD7889 work with a very low power supply *a single 1.6 V to 3.6 V supply <
AD7889 Features
* 4-wire touch screen interface 1.6 V to 3.6 V operation Median and averaging filter to reduce noise Automatic conversion sequencer and timer User-programmable conversion parameters Auxiliary analog input/battery monitor (0.5 V to 5 V) 1 optional GPIO Interrupt outputs (INT, PENIRQ) Touch-pressure mea
Datasheet Details
AD7889, AD7879
959.77 KB
Low voltage controller.
This datasheet PDF includes multiple part numbers: AD7889, AD7879.
Please refer to the document for exact specifications by model.
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