rail-to-rail cmos opamp-03
A low-voltage CMOS op amp with a rail-to-rail constant-gm input stage and a class AB rail-to-railoutput stage
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JH Botma, RF Wassenaar… – Circuits and Systems,
Abstract A low-voltage two-stage operational amplifier (op-amp) is presented. The op-amp
features rail-to-rail operation and has an input stage with a constant transconductance (gm)
over the entire common-mode input range. The input stage consists of an n-and a p-MOS