I'm about to design an ADC for unipolar inputs(positive and negative) using an 80C552... A couple of questions: We know that Vref=(Vref+ - Vref-) If Vref+ = 2.5V and Vref- =-2.5V Then Vref=(2.5 - 2.5)=0 OR Vref=(2.5 - (-2.5))=5 ? What will be the value of LSB? Is is still applying the LSB = Vref/1024? Thanks for your time John
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