Assume that the first resistor string of a 10-bit multiple-R-string D/A converter must match to percent whereas the second string must match to percent since the converters realize the top 4 bits and...

Assume that the first resistor string of a 10-bit multiple-R-string D/A converter must match to percent whereas the second string must match to percent since the converters realize the top 4 bits and lower 6 bits, respectively. For , how much offsets in the opamps can be tolerated?