A few years ago I built a 2-channel thermocouple isolator using a pair of 5B47s. I understand they are now in "last purchase" status so I would prefer to substitute a more current device. What do you recommend?
There are no replacements for the 5B series unfortunately. I'd recommend that you review some of the isolated thermocouple reference designs to see if one would be a good starting point for your design.
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I'd also suggest contacting your local ADI or Distribution sales office to discuss this in more detail.
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