Paul, AninditaRamírez-Angulo, JaimeLópez Martín, AntonioGonzález Carvajal, RamónRocha-Pérez, José Miguel2021-04-262021-04-262019A. Paul, J. Ramírez-Angulo, A. J. López-Martín, R. G. Carvajal and J. M. Rocha-Pérez, "Pseudo-Three-Stage Miller Op-Amp With Enhanced Small-Signal and Large-Signal Performance," in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 27, no. 10, pp. 2246-2259, Oct. 2019, doi: 10.1109/TVLSI.2019.2918235.1063-8210 (Print)10.1109/TVLSI.2019.2918235https://academica-e.unavarra.es/handle/2454/39603A simple technique to implement highly power efficient class AB-AB Miller op-amps is presented in this paper. It uses a composite input stage with resistive local common mode feedback that provides class AB operation to the input stage and essentially enhances the op-amp's effective transconductance gain, the dc open-loop gain, the gain-bandwidth product, and slew rate with just moderate increase in power dissipation. The experimental results of op-amps in strong inversion and subthreshold fabricated in a 130-nm standard CMOS technology validate the proposed approach. The op-amp has 9 V·pF/μs·μW large-signal figure of merit (FOM) and 17 MHz · pF/μW small-signal FOM with 1.2-V supply voltage. In subthreshold, the op-amp has 10 V · pF/μs · μW large-signal FOM and 92 MHz · pF/μW small-signal FOM with 0.5-V supply voltage.14 p.application/pdfeng© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other work.Analog integrated circuitsClass AB–AB Miller op-ampsMiller compensationResistive local common mode feedbackArtículo / ArtikuluaAcceso abierto / Sarbide irekiainfo:eu-repo/semantics/openAccess