Name
Abstract | ||
|---|---|---|
A new settling-time-oriented design methodology for the most common three-stage operational amplifier (op-amp) schemes reported in the literature is presented in this paper. The proposed approach allows the systematic sizing of the compensation network in order to reach the best closed-loop op-amp settling behavior. To demonstrate the effectiveness of the methodology and the correctness of the analysis, the examined three-stage op-amp topologies are designed in a commercial 0.35-??m CMOS technology. Circuit simulations show that the proposed design approach, for each investigated topology, guarantees a significant settling time reduction with respect to the compensation network sizing strategies proposed in the past. An ad-hoc figure of merit, which evaluates the trade-off between the settling time, the load capacitance and the total op-amp stage transconductances, is also defined in order to estimate the op-amp efficiency in terms of time-domain performances. |
Year | DOI | Venue |
|---|---|---|
2009 | 10.1109/TCSI.2009.2017133 | Circuits and Systems I: Regular Papers, IEEE Transactions |
Keywords | Field | DocType |
CMOS analogue integrated circuits,circuit optimisation,circuit simulation,network topology,operational amplifiers,ad-hoc figure-of-merit,circuit simulations,closed-loop op-amp settling behavior,compensation network,load capacitance,operational amplifier,settling time optimization,settling-time-oriented design methodology,size 0.35 mum,systematic sizing,three-stage CMOS amplifier topology,total op-amp stage transconductances,Analog design,frequency compensation,operational amplifiers,transient response | Settling time,Control theory,Electronic engineering,Network topology,CMOS,Figure of merit,Sizing,Frequency compensation,Operational amplifier,Mathematics,Topology (electrical circuits) | Journal |
Volume | Issue | ISSN |
56 | 12 | 1549-8328 |
Citations | PageRank | References |
9 | 1.33 | 16 |
Authors | ||
4 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Andrea Pugliese | 1 | 400 | 22.07 |
| Francesco Antonio Amoroso | 2 | 9 | 1.33 |
| Gregorio Cappuccino | 3 | 36 | 10.11 |
| Giuseppe Cocorullo | 4 | 20 | 2.18 |