Can someone suggest some good references on offset cancellation techniques.  I've read Razavi's short discussion in his data converters textbook, but it does not go into much detail about practical considerations, limitations, basically how to design the schemes, etc

Thanks in advance.

hi,
   if you have any chance to watch video, you better watch ee 240 course in uc berkely..there prof elad allen taught very nicely

Thanks,
rajasekhar.