Application Research on AD574A 12-bit A/D Converter

At first,the article introduces the internal structure,working principle and operating property of AD574A,discusses the unipolar operating mode and bipolar operation mode.Then,it respectively provides the interface technologies of AD574A and ISA bus,AD574A and 80C31 microcontroller.At last,the article discusses the issues which should be paid attation in usage of AD574A.