1Botma J H, et al. A Low-Voltage CMOS Operational Amplifier with a Rail-to-Rail Constant-gm Input Stage and a Class AB Rail-to-Rail Output Stage [J]. Proc. ISCAS 93, 1993. 1314-1317.
2Wu W C S. Digital-Compatible High-Performance Operational Amplifier with Rail-to-Rail Input and Output Ranges [J]. IEEE Journal of Solid-State circuits, 1994-01, 29(1): 63-66.
3Hogervorst Ron, Tero John P, et al. A Compact Power-Efficient 3V CMOS Rail-to-Rail Input/Output Operational Amplifier for VLSI Cell Libraries [J]. IEEE Journal of Solid-State circuits, 1994-12, 29 (12): 1505-1513.
4Gray Paul R, Hurst Paul J, et al. Analysis and Design of Analog Integrated Circuits ( Fourth Edition) [M]. John Wiley&Sons, Inc, 2001.
5Hogervorst R, Huijsing J H. Design of Low-Voltage Low-Power Operational Amplifier Cells [M]. Kluwer Academic Publishers, 101 Philip Driver, Norwell, ma 02061, U.S.A. 1996.
6Allen Phillip E, Holberg Douglas R. CMOS Analog Circuit Design (Second Edition) [M]. Oxford University Press, 2002.