Analysis and Design of Operational Amplifier Stability Based on Routh-Hurwitz Method
JianLong Wang1Gopal Adhikari1Haruo Kobayashi1Nobukazu Tsukiji1Mayu Hirano1Keita Kurihara1Akihito Nagahama2Ippei Noda2Kohji Yoshii2
1. Division of Electronics and Informatics, Gunma University2. Ricoh Electronic Devices Co., Ltd.
摘要：This paper proposes to use Routh-Hurwitz stability criterion for analysis and design of the opamp stability, when its small equivalent circuit is derived; this can lead to explicit stability condition derivation for opamp circuit parameters, and this is very effective especially for multi-stage opamps. The proposed method has been verified by two two-pole amplifiers with theoretical analysis and SPICE simulations, as examples.
2016 13th IEEE International Conference on Solid-State and Integrated Circuit Technology （ICSICT）