The unsigned decimal number 1210 is inputted to a 4-bit DAC. Given that RF = R0/15, logic 0 corresponds to 0 V, and logic 1 corresponds to 4.5 V,
a. What is the output of the DAC?
b. What is the maximum voltage that can be outputted from the DAC?
c. What is the resolution over the range 0 to 4.5 V?
d. Find the number of bits required in the DAC if an improved resolution of 20 mV is desired.
Analysis:
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