rail to rail cmos opamp
Constant-gm rail-to-rail CMOS op-amp input stage with overlapped transition regions
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M Wang, TL Mayhugh Jr, SHK Embabi… – Solid-State Circuits,
Abstract Conventional techniques to achieve a constant-g m rail-to-rail complementary NP
differential input stage require complex additional circuitry. In addition, the frequency
response and common-mode rejection ratio (CMRR) are degraded. An economical but