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isolated 4-20mA loop transmitter

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isolated 4-20ma

in making 4-20mA loop powered ransmitters,how we can design the isolated data/power circuit?we have 4mA current at maximum! how we can make isolated dc/dc converter?
 


isolated 4 20ma

Hi

Use a serial D2A converter with the XTR11x (TI) and isoleate the digial interface using opto-cuplers

All the best

Bobi
 

4-20ma module + isolated

I want to design an isolated 4-20mA loop powered transmitter,But how I can design the power/data isolation ,I have Max 4mA for all thing.

Is there any IC or components for isolation?

analog devices have some parts but they are not suitable for 4-20mA loop,because they need more than 4mA.
 

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