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Question 8.2.8: The circuit shown in the figure is a 4-bit DAC The input bit...

The circuit shown in the figure is a 4-bit DAC The input bits 0 and 1 are represented by 0 and 5 V, respectively. The OP AMP is ideal, but all the resistances and the 5 V inputs have a tolerance of ± 10%. The specification (rounded to the nearest multiple of 5%) for the tolerance of the DAC is

(a) ±35%                                                 (b) ±20%

(c) ±10%                                                  (d) ±5%

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