Temperature measuring circuit diagram composed of AD7714 and thermocouple

Published:2011/5/6 4:15:00 Author:Ecco | Keyword: Temperature measurement circuit , thermocouple | From:SeekIC

Temperature measuring circuit diagram composed of AD7714 5-channel low-power programmable sensor signal processor and thermocouple Temperature measuring circuit diagram composed of AD7714 and thermocouple is shown as the chart. In this application, AD7714 operates in buffered mode, which allows the former termination connecting decoupling capacitors to filter out the noise on the thermocouple leads. In buffered mode, AD7714 common-mode is narrow, the differential thermocouple voltage is in the appropriate range of the common-mode voltage, AD7714's AIN2 input should be biased to +2.5 V reference voltage.



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