A Fast-Settling CMOS Op Amp for SC Circuits with 90-dB DC Gain,KLAAS BULT AND GOVERT J. G. M. GEELEN,IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 25,NO. 6 DECEMBER 1990 1379-1384
Sorry that I am not helping here. Still, I would like to ask that gain-boosting is really used in commerical product? From my view point, gain-boosting introudcing alot of mass production problems such as offset.
Please do input and thanks for all the helps first