What is Vout of a 4-bit R/2R Ladder DAC if the binary input is ...

[asan beg]

What is Vout of a 4-bit R/2R Ladder DAC if the binary input is 1000 when the reference voltage is 5 V, R is 8 k, and Rf is 16 k?
 
  A) 2.25 V B) 4.75 V C) 6.25 V D) 5 V

Question 2

What is Vout of a 4-bit R/2R Ladder DAC if the binary input is 1100 when the reference voltage is 6 V, R is 10 k, and Rf is 20 k?
 
  A) 9 V B) 7.5 V C) 4.5 V D) 10 V

[firehawk60]

Answer to Question 1

D

Answer to Question 2

A

[asan beg]

Thanks for the timely response, appreciate it

[adf223]

Excellent