Today,designengineersrelymoreonmicroprocessorsand
microcontrollerstosupporttheirapplications.Compatibleanalog-
to-digital(A/D)anddigital-to-analog(A/D)convertershavegreatly
increasedtheflexibilityofinterfaceandcontrolcircuits.
Mostoftheavailableconverters,however,are“independent”and
notsubjecttoreconfigurationundersoftwarecontrol—nomatter
howsmartyourprocessor.Forexample,ifyourtaskinvolves8-bit
conversionsofbatteryvoltageand16-bitconversionsofoutput
voltage,youarerequiredtousetwodifferentconverters—ortake
16bitsoftimetomeasureyourbattery.AN789IntegratingConverterAnalogProcessor
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