Proceedings of the 2018 8th International Conference on Manufacturing Science and Engineering (ICMSE 2018)

A High Speed Amplifier Used in High-resolution GSPS Pipelined ADC

Authors
Liang Li, Mingyuan Xu, Yong Zhang, Dongbin Fu, Xiaofeng Shen, Xingfa Huang, Jie Pu, Xi Chen
Corresponding Author
Liang Li
Available Online May 2018.
DOI
10.2991/icmse-18.2018.66How to use a DOI?
Keywords
ADC, High Speed Amplifier, Gain, Phase Margin, Positive Feedback, CMOS;
Abstract

In this paper, a high speed amplifier used in high-resolution GSPS pipelined ADC is described. To satisfy a 14bit 1GSPS ADC accuracy and speed demand, The high speed amplifier adopts two-stage Miller compensation architecture. To increase amplifier gain, active gain-boosted cascodes and cross-coupling positive feedback are used in the first stage of the amplifier. To improve phase margin and settling of the amplifier, big resistor and inductor are used in the second stage of the amplifier. The high speed amplifier used in a 14bit 1GSPS pipelined ADC fabricated on a 65nm CMOS process achieves a closed loop gain of 82dB, a closed bandwidth of 4.0GHz, phase margin of 70 degree, dissipates 250mW power, occupys 0.11mm2 area.

Copyright
© 2018, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the 2018 8th International Conference on Manufacturing Science and Engineering (ICMSE 2018)
Series
Advances in Engineering Research
Publication Date
May 2018
ISBN
10.2991/icmse-18.2018.66
ISSN
2352-5401
DOI
10.2991/icmse-18.2018.66How to use a DOI?
Copyright
© 2018, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

TY  - CONF
AU  - Liang Li
AU  - Mingyuan Xu
AU  - Yong Zhang
AU  - Dongbin Fu
AU  - Xiaofeng Shen
AU  - Xingfa Huang
AU  - Jie Pu
AU  - Xi Chen
PY  - 2018/05
DA  - 2018/05
TI  - A High Speed Amplifier Used in High-resolution GSPS Pipelined ADC
BT  - Proceedings of the 2018 8th International Conference on Manufacturing Science and Engineering (ICMSE 2018)
PB  - Atlantis Press
SP  - 340
EP  - 344
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmse-18.2018.66
DO  - 10.2991/icmse-18.2018.66
ID  - Li2018/05
ER  -