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Analysis and Design of a Family of Low-Power Class AB Operational Amplifiers
Manaus, Brazil September 18-September 24
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/SBCCI.2000.87601413th Symposium on Integrated Circuits ...
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F. Silveira, Inst. de Ingegneria Electr., Univ. de la Republica, Montevideo, Uruguay
D. Flandre, Inst. de Ingegneria Electr., Univ. de la Republica, Montevideo, Uruguay
A new class AB output stage is presented which extends a family of recently proposed stages based on current mirrors without requiring extra-compensation capacitances. In-depth circuit analysis also shows the significant advantage of such stages for low-power consumption and leads to the derivation of an optimum design strategy. Experimental realizations are described, in particular a micropower amplifier for cardiac pacemaker application.
Index Terms:
current mirrors; operational amplifiers; network analysis; network synthesis; power supply circuits; pacemakers; class AB operational amplifiers; output stage; current mirrors; circuit analysis; low-power consumption; optimum design; micropower amplifier; cardiac pacemaker application; circuit architecture; CMOS; SOI
Citation:
F. Silveira, D. Flandre, "Analysis and Design of a Family of Low-Power Class AB Operational Amplifiers," sbcci, pp.94, 13th Symposium on Integrated Circuits and Systems Design (SBCCI'00), 2000
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