Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
When people talk about Pelgrom, they usually mean the mismatch model that says that the standard deviation of mismatch between two identical devices (close together) goes as A/sqrt(WL).
A is a process-dependent constant.
So essentially, devices match better as they get bigger.