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Title: :  Error Amplifier design for a Closed Loop Class-D Amplifier
PaperId: :  16858
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 8 Issue 3 2022
DUI:    16.0415/IJARIIE-16858
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
H. Voaraniaina AndriamihaminjakaDoctoral School of Science and Technics of Engineering and Innovation, University of Antananarivo, Madagascar
Rastefano EliséeDoctoral School of Science and Technics of Engineering and Innovation, University of Antananarivo, Madagascar

Abstract

Analog design, Electronic engineering
Operational Amplifier, Error amplifier, Cascode, Telescopic cascode, Folded Cascode, analog design, Class D
This paper presents the error amplifier stage design used in the control loop of an integrated Class D audio amplifier and its performance, especially towards EMC, CMRR and PSRR. The entire amplifier is designed using gpdk_090, a generic 90 nm CMOS process design kit. The input stage is biased with 1.8 V and common mode voltage is around 1.66 V. The error amplifier should have a DC gain of 78 dB and the unity gain frequency should be above 80 Mhz. Conducted emissions requirements are taken from the EN55032 standard. Three well-known topologies are compared which are the Two-stage op-amp, Telescopic and Folded Cascode op-amp. Simulations and layout modeling are carried out in Cadence Virtuoso ADE XL

Citations

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IJARIIE H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. "Error Amplifier design for a Closed Loop Class-D Amplifier" International Journal Of Advance Research And Innovative Ideas In Education Volume 8 Issue 3 2022 Page 1812-1819
MLA H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. "Error Amplifier design for a Closed Loop Class-D Amplifier." International Journal Of Advance Research And Innovative Ideas In Education 8.3(2022) : 1812-1819.
APA H. Voaraniaina Andriamihaminjaka, & Rastefano Elisée. (2022). Error Amplifier design for a Closed Loop Class-D Amplifier. International Journal Of Advance Research And Innovative Ideas In Education, 8(3), 1812-1819.
Chicago H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. "Error Amplifier design for a Closed Loop Class-D Amplifier." International Journal Of Advance Research And Innovative Ideas In Education 8, no. 3 (2022) : 1812-1819.
Oxford H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. 'Error Amplifier design for a Closed Loop Class-D Amplifier', International Journal Of Advance Research And Innovative Ideas In Education, vol. 8, no. 3, 2022, p. 1812-1819. Available from IJARIIE, https://ijariie.com/AdminUploadPdf/Error_Amplifier_design_for_a_Closed_Loop_Class_D_Amplifier_ijariie16858.pdf (Accessed : 24 May 2022).
Harvard H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. (2022) 'Error Amplifier design for a Closed Loop Class-D Amplifier', International Journal Of Advance Research And Innovative Ideas In Education, 8(3), pp. 1812-1819IJARIIE [Online]. Available at: https://ijariie.com/AdminUploadPdf/Error_Amplifier_design_for_a_Closed_Loop_Class_D_Amplifier_ijariie16858.pdf (Accessed : 24 May 2022)
IEEE H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée, "Error Amplifier design for a Closed Loop Class-D Amplifier," International Journal Of Advance Research And Innovative Ideas In Education, vol. 8, no. 3, pp. 1812-1819, May-Jun 2022. [Online]. Available: https://ijariie.com/AdminUploadPdf/Error_Amplifier_design_for_a_Closed_Loop_Class_D_Amplifier_ijariie16858.pdf [Accessed : 24 May 2022].
Turabian H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. "Error Amplifier design for a Closed Loop Class-D Amplifier." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 8 number 3 (24 May 2022).
Vancouver H. Voaraniaina Andriamihaminjaka, and Rastefano Elisée. Error Amplifier design for a Closed Loop Class-D Amplifier. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2022 [Cited : 24 May 2022]; 8(3) : 1812-1819. Available from: https://ijariie.com/AdminUploadPdf/Error_Amplifier_design_for_a_Closed_Loop_Class_D_Amplifier_ijariie16858.pdf
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