Question

The resolution of a 4-bit counting ADC is 0.5 Volts. For an analog input of 6.6 Volts, the digital output of the ADC will be

• A. 1011
• B. 1101
• C. 1100
• D. 1110

Answer 1

The correct option is D 1110

$V_0=\frac{6.6}{0.5}=13.2\simeq 14$
Binary equivalent = 1110