GATE ECE - Digital circuits quetion

The resolution of an n bit DAC with a maximum input of 5 V is 5 mV. The value of n is [A]. 8 [B]. 9 [C]. 10 [D]. 11

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Your Answer

Resolution of n bit dac=range of voltages/2^n So, 5*10^-3 = 5 / 2^n On solving , The value of n equals to 9.965 Rounding it ..the value of n will be equal to 10

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