The long-distance temperature test circuit composed of the intelligent temperature sensor TMP03

Published:2011/8/23 22:37:00 Author:qqtang | Keyword: temperature test circuit, intelligent temperature sensor | From:SeekIC

In the figure is the long-distance temperature test circuit composed of the intelligent temperature sensor TMP03. As there is a high common mode voltage on the transmission line, so the photo-coupler should be used to separate the output terminal. The circuits of the 3 photo-couplers are shown in figure (a), (b) and (c) respectively.



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