Datasheet Summary
Data Sheet
Low Voltage Controller for Touch Screens AD7879/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 measurement Wake-up on touch function Shutdown mode: 6 μA maximum 12-ball, 1.6 mm × 2 mm WLCSP 16-lead, 4 mm × 4 mm LFCSP
APPLICATIONS
Personal digital assistants Smart handheld devices Touch screen monitors Point-of-sale terminals Medical devices Cell phones
GENERAL DESCRIPTION
The AD7879/AD7889 are 12-bit successive...