Question

The basic step of an 8-bit DAC is 12.4 mV. If the binary input \( 00000000 \) represents 0V, determine the output if the input is \( 10110111 \).

• A. 1.36 V
• B. 2.27 V
• C. 5.45 V
• D. 3.25 V

Hint:

To find the output voltage, multiply the decimal equivalent of the binary input by the basic step value.

Answer 1

The Correct Option is B

- The decimal equivalent of the binary input \( 10110111_2 \) is 183. - The output voltage is calculated as \[ V_{out} = 183 \times 12.4 \, \text{mV} = 2.27 \, \text{V} \]
Conclusion: The correct output voltage is given by option (b).