Publication Type:

Conference Paper

Source:

Proceedings - IEEE International Symposium on Circuits and Systems, Institute of Electrical and Electronics Engineers Inc. (2017)

ISBN:

9781467368520

URL:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85032654591&doi=10.1109%2fISCAS.2017.8050626&partnerID=40&md5=c49c38e7d91cbe8edcc68fba72a672fa

Keywords:

Analog to digital conversion, Circuit-level simulation, High resolution, Low power electronics, Noise cancellation, Operational amplifiers, Pipelined ADCs, Pipelined analog-to-digital converter, Source of noise, Switched capacitor circuits, Thermal noise, Thermal noise canceling

Abstract:

<p>High resolution pipelined Analog-to-Digital Converters (ADCs) exceeding 10-bits are thermal noise limited. Typically for low-power switched capacitor (SC) circuits, the thermal noise of the op amp is the dominant source of noise as compared to the switches. This paper proposes a thermal noise canceling technique for pipelined stages that cancels the thermal noise of the op amp. The technique involves capturing the noise by an auxiliary DAC and then canceling the noise in the signal path. Circuit level simulations are done in IBM 32 nm SOI process. A case study of thermal noise cancellation for various resolution pipelined ADCs is also done. © 2017 IEEE.</p>

Notes:

cited By 0; Conference of 50th IEEE International Symposium on Circuits and Systems, ISCAS 2017 ; Conference Date: 28 May 2017 Through 31 May 2017; Conference Code:130930

Cite this Research Publication

C. Ravi, James, D., Sarma, V., B. Sahoo, D., and Inamdar, A., “Thermal noise canceling pipelined ADC”, in Proceedings - IEEE International Symposium on Circuits and Systems, 2017.

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