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EVAL-ADuMQSEBZ as a RS485 Isolation Interface?

Question asked by JuanGutierrez on May 4, 2015
Latest reply on May 5, 2015 by RAnslow

Hi everyone,

I am a test engineer and I am designing a tester to qualificate an aerospace device. The requirements are very high (For more information check the airbus standard ABD0100.1.2 section and I want to protect my tester against those hard conditions basically by having a galvanic isolation. The key part for me is to isolate the communication wires. For that reason I want to use the board EVAL-ADuMQSEBZ, as well as the ICs: ADuM5000 and ADuM1411.

The question is; if I design a circuit as shown in the attached file it would work as a RS485 Isolation Interface?

Another question would be: Why the ADuM144x is not compatible with this evaluation board?

Probably someone has a good solution to isolate a RS485 communication wires, if so, I would be very grateful if you could tell me in what direction should I research.

Thanks in advance for all your responses and comments


Juan Gutierrez