Fully Programmable Universal Analog Front End for Process Control Applications

Fully Programmable Universal Analog Front End for Process Control Applications. The Circuit provides a fully programmable universal analog front end (AFE) for process control applications. The following inputs are supported: 2, 3 and 4-wire RTD configurations, thermocouple inputs with cold junction compensation, unipolar and bipolar input voltages and 4 mA-to-20 mA inputs