DocumentCode
1037133
Title
A free but efficient low-voltage class-AB two-stage operational amplifier
Author
Ramírez-Angulo, Jaime ; Carvajal, Ramón G. ; Galán, Juan A. ; López-Martín, Antonio
Author_Institution
Klipsch Sch. of Electr. & Comput. Eng., New Mexico State Univ., Las Cruces, NM, USA
Volume
53
Issue
7
fYear
2006
fDate
7/1/2006 12:00:00 AM
Firstpage
568
Lastpage
571
Abstract
A simple and efficient low-voltage two-stage operational amplifier with Class-AB output stage is introduced. It has a large effective output current boosting factor (∼50) and close to a factor 2 bandwidth enhancement. This is achieved at the expense of minimum increase in circuit complexity and no additional static power dissipation. Experimental verification of the characteristics of the proposed circuit is provided.
Keywords
analogue integrated circuits; low-power electronics; operational amplifiers; analog integrated circuits; circuit complexity; class-AB amplifiers; operational amplifiers; Bandwidth; Boosting; Breakdown voltage; CMOS technology; Circuits; Complexity theory; Current control; Low voltage; Operational amplifiers; Power dissipation; Analog integrated circuits; Class-AB amplifiers; low-voltage analog circuits; operational amplifiers;
fLanguage
English
Journal_Title
Circuits and Systems II: Express Briefs, IEEE Transactions on
Publisher
ieee
ISSN
1549-7747
Type
jour
DOI
10.1109/TCSII.2006.875320
Filename
1658191
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