In the PGA309 user manual, Table 6-10 lists two entries for -7(Vref)(0.85E-3) and two entries for 7(Vref)(0.85E-3). Is this a typo? If not, why does this repeat?
It violates this statement in 6.2.5: OS[4:0]: Coarse Offset Adjust on Front-End PGA, 4-bit + sign 1LSB = (VREF)(0.85E − 3)