所需E币: 3
时间: 2019-12-29 00:02
大小: 46.5KB
Theprimarypurposeofavoltagereference(VREF)istoestablishsystemaccuracy.Ananalog-to-digitalconverter(ADC),forexample,usesareferencevoltagetosetitsfull-scaleinputlevel.Thefollowingdiscussionexplainshowatradeoffbetweeninitialaccuracyandtemperaturecoefficient(tempco)canbroadenyourselectionofvoltagereferenceswhilemeetingagivenrequirementforsystemaccuracy.Thecalculationspresenteddeterminepreciselythetempconeededforagivenvalueofinitialaccuracy,andviceversa.……
标签: tempco
