Large-signal settling optimization of SC circuits using two-stage amplifiers with current-buffer miller compensation

Author

Amoroso, F.A. ; Pugliese, A. ; Cappuccino, G.

Author_Institution

Dept. of Electron., Comput. Sci. & Syst., Univ. of Calabria, Rende, Italy

fYear

2009

fDate

12-17 July 2009

Firstpage

328

Lastpage

331

Abstract

The large-signal performances of switched-capacitor (SC) circuits employing two-stage operational amplifiers (opamps) with current-buffer Miller compensation are analyzed. Well-defined rules to fix carefully the bias currents of the two op-amp stages are proposed in order to optimize the amplifier settling behavior. Simulation results related to op-amps designed in a commercial 0.35 Â¿m CMOS technology show the usefulness of the proposed design guidelines.

Keywords

CMOS analogue integrated circuits; circuit optimisation; compensation; operational amplifiers; switched capacitor networks; CMOS technology; current-buffer Miller compensation; large-signal settling optimization; op-amp; size 0.35 mum; switched-capacitor circuits; two-stage operational amplifiers; CMOS technology; Capacitance; Computer science; Design optimization; Frequency; MOSFETs; Operational amplifiers; Performance analysis; Switching circuits; Time factors;

fLanguage

English

Publisher

ieee

Conference_Titel

Research in Microelectronics and Electronics, 2009. PRIME 2009. Ph.D.

Conference_Location

Cork

Print_ISBN

978-1-4244-3733-7

Electronic_ISBN

978-1-4244-3734-4

Type

conf

DOI

10.1109/RME.2009.5201292

Filename

5201292