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时间: 2019-12-29 00:01
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TheMAX1464canbeeasilyconfiguredtogenerateconstantcurrentexcitationforsensorsthatisratiometrictothepowersupplyvoltageforresistivetransducerapplications.Applicationsutilizingsensingelementswithhightemperaturecoefficients,TCR,suchaspiezoresistivebridges,RTDs,etc.aretypicallyimplementedwithconstantcurrentexcitation.Thisapplicationnotesuggestsasimpleresistivenetworkthatcanbeimplementedtoprovidearatiometriccurrentsourceforsensorexcitation.……