这个dac的编码是怎么表示的？

if the input is 1000 0000 of an 8-bit dac, the corresponding output is 5v. then an input is 0000 0001 to the dac, the corresponding output is___v; if an input is 1000 1000, the corresponding dac output is___v.

0.0390625,5.3125是这样吗