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If the input applied to DAC using current to voltage converter is 10110100, determine the reference voltage (Assume Io= 2mA and R1=1.2kΩ)

If the input applied to DAC using current to voltage converter is 10110100, determine the reference voltage (Assume Io= 2mA and R1=1.2kΩ) Correct Answer 3.41v

Io=Vref/R1× Vref =(Io×R1)/ (1/2+0+1/8+1/16+0+1/64+0+0)=(2mA×1.2kΩ)/0.703 . => Vref = 3.41v.

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