This article details the problems encountered when trying to maximize channel count, discusses the traditional method used to control a group of switches and the associated drawbacks, presents the solution offered by SPI controlled analog switches, and introduces the SPI controlled ADI precision switches.
May 23, 2017 by Stephen Nugent, Analog Devices
This article will briefly discuss isolation in the process control analog input module and the traditional approaches to achieving this. It then outlines an alternative high density, easy to design channel-to-channel isolation analog input module architecture.
March 14, 2017 by Van Yang, Analog Devices