I recently purchased a MAX31856 thermocouple-to-digital chip for a project. However, I discovered that the chip does not support grounded thermocouples. I am looking for an alternative and the AD8495 appears to be the only similar option. However, I cannot tell from the datasheet whether it supports grounded thermocouple probes. How can I tell?
Electrical – Does the AD8495 thermocouple amplifier allow for grounded thermocouple probes
measurementtemperaturethermocouple
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Best Answer
You can use it.
In the 1st paragraph at pg 12 it tells how the IC deals with the problems coming from single-ended (i.e. grounded one end) TC usage.
The last sentence of that paragraph is the answer.