功能应用:AD420是具有灵活串行数字接口的16住数模转换器,它带有SPI和Microwire总线接口,使用方便、性价比高。 The AD420 is a complete digital to current loop output converter, designed to meet the needs of the industrial control market. It provides a high precision, fully integrated, low cost single-chip solution for generating current loop signals in a compact 24-lead SOIC or PDIP package.