Design Tips

December 2021
Simplifying Design of Analog Input Modules for Process Control

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Figure 1. AD4111 functional block diagram

When designing analog input modules for process control applications such as programmable logic controller (PLC) or distributed control system (DCS) modules, the main trade-off considered is usually performance vs. cost. A tradition exists in this application space of using bipolar ±15V rails to supply active fr
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