AD7873 digitizer equivalent, touch screen digitizer.
4-wire touch screen interface On-chip temperature sensor: −40°C to +85°C On-chip 2.5 V reference Direct battery measurement (0 V to 6 V) Touch pressure measurement Specif.
Personal digital assistants Smart hand-held devices Touch screen monitors Point-of-sale terminals Pagers
GENERAL DESCRIP.
The AD7873 is a 12-bit successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7873 operates from a single 2.2 V to 5.25 V supply, with a throughput rate of 125 kSPS.
The AD7873.
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