What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC?

[A].	It has fewer parts for the same number of inputs.
[B].	It is much easier to analyze its operation.
[C].	It uses only two different resistor values.
[D].	The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot.

Answer: Option C

Explanation:

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