/members-area/personalblogs/b/blog/posts/using-the-fixed-voltage-reference-fvr-module-for-a-precise-a-d-conversion-in-enhanced-mid-range-8-bit-pic-microcontrollersA reference voltage plays a vital role in determining the range and the resolution (Volt/Count) of an A/D conversion. Besides, the absolute accuracy and the precision of the conversion also depend upon how accurate and stable the reference voltage isen-USTelligent Community 12