Channel-to-Channel Isolated Temperature Input (Thermocouple/RTD) for PLC/DCS Applications

Application circuit provides a dual-channel, channel-to-channel isolated, thermocouple or RTD input suitable for programmable logic controllers (PLC) and distributed control systems (DCS). The highly integrated design utilizes a low power, 24-bit, analog-to-digital converter (ADC) with a rich analog and digital feature set that requires no additional signal conditioning ICs