A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 1110. (The feedback resistor = R). (Hint this equivalent to R2^nR DAC with feedback resistor = R/2) a. –8.75 V b. 6.25 V c. – 4.375 V d. - 0.3125 V

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.3P
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A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 1110. (The feedback resistor = R). (Hint this equivalent to R2^nR DAC with feedback resistor = R/2)
a.
–8.75 V
b.
6.25 V
c.
– 4.375 V
d.
- 0.3125 V
Clear my choice 
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