Regenerating the DS1847/DS1848 Resistor Calibration Constants

Abstract:ThepurposeofthisapplicationnoteistoshowhowtheDS1847/48digitalresistorcalibrationconstantscanberegenerated.ThisapplicationnoteassumesthatthereaderisfamiliarwiththeProgrammingtheLookupTablesectionoftheDS1847orDS1848datasheets.Thisapplicationnotewilldescribethemeasurementsrequired,aswellasshowthecalculationsneededtoregeneratethecalibrationconstants.Lastofall,thisapplicationnotewillshowanexamplespreadsheetcalculator(alinktoitcanbefoundattheendofthisapplicationnote)thatcanbeusedtoperformthecalculationsonceseveralmeasurementsareinputMaxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSFIBER-OPTICCIRCUITSPOWER-SUPPLYCIRCUITSKeywords:digitalresistor,digitalpot,digitalpotentiometer,digipot,DS1847,DS1848,potentiometersMar10,2003APPLICATIONNOTE233RegeneratingtheDS1847/DS1848ResistorCalibrationConstantsAbstract:ThepurposeofthisapplicationnoteistoshowhowtheDS1847/48digitalresistorcalibrationconstantscanberegenerated.ThisapplicationnoteassumesthatthereaderisfamiliarwiththeProgrammingtheLookupTablesectionoftheDS1847orDS1848datasheets.Thisapplicationnotewilldescribethemeasurementsrequired,aswellasshowthecalculationsneededtoregeneratethecalibrationconstants.Lastofall,thisapplicationnote