TS83102G0B 10-bit 2Gsps ADC SDA Function

How does the SDA function of the TS83102G0B 10-bit 2Gsps ADC work?

The Sampling Delay Adjust (SDA) of the ADC (please refer to page 47 of the TS83102G0B datasheet) allows you to add 260ps +/-120ps to the aperture delay of the ADC
TA = 160 ps if the SDA is not active
When the SDA is active and at its nominal value, the resulting delayed TA becomes 160 + 260 ps = 420 ps
When the SDA is set to its minimum, TA(SDA min) = 160+260-120 = 300 ps
When the SDA is set to its maximum, TA(SDA max) = 160+260+120 = 540 ps

This tuning is performed in hardware: there are no steps. The precision on the tuning depends on the precision you have on the SDA voltage (+/-0.5V).