Chipworks Reviews ADCs Used in Modern Sensors

EDN published Chipworks article discussing ADC architectures used in sensors from Samsung, Micron, Sony, Toshiba and STMicro. Nothing new is in these architectures, but it's nice to see what designs are in use now from the authoritative source. As a cream on the cake, Chipworks also shows Aptina's 1.75um pixel picture at poly and diffusion level: