digital - to-Analog Converters 27 ending up with a final result of 12710 (7F16). The actual voltage at the end of the conversion is 2.8v, corresponding to a code of 14310 (8F16). The final code out of the ADC (127d) corresponds to a voltage of 2.48V. This is neither the starting voltage (2.3v) nor the ending voltage (2.8v). This example used a relatively fast input to show the effect; a slowly changing input has the same effect, but the error will be smaller.
annaabi.ee 
