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Are there reference designs that can help me build a 4-20mA transmitter? Where can I find them?
How do I incorporate IEC protection into my design?
To find reference designs leveraging the best in TI technology – from analog and power management to embedded processors, visit https://www.ti.com/reference-designs/index.html. All designs include a schematic, test data and design files.
I will link a few reference designs below.
CerTIfied Reference Designs:
The below reference designs are CerTIfied Reference Designs that include the IEC protection circuitry and results. CerTIfied Designs offer the theory, component selection, simulation, complete PCB schematic & layout, bill of materials, measured performance, and certification testing of useful circuits.
The attached articles go into more detail on providing protection to 2 and 3-wire transmitters.
Industrial DACs: Protecting 3-wire analog outputs
Industrial DACs: How to protect 2-wire transmitters
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