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A 92.9dB-SNDR 178.2dB-FoMs SAR ADC with kT/C noise cancellation and FIA

  • Zijie Gao*
  • , Yi Zhong
  • , Lu Jie
  • , Nan Sun
  • *Corresponding author for this work
  • Tsinghua University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

When designing high resolution ADCs, SAR ADCs face limitations due to sampling kT / C noise. The input capacitor size has to be very large. This poses burdens for ADC driver, leading to huge power/area costs and design complexity. We introduce a SAR ADC with noise cancellation and FIA, a fully dynamic amplifier with high power efficiency. A 17-bit SAR ADC was fabricated using a 28 nm CMOS process with a 0.35 MHz bandwidth, achieving 92.9dB SNDR and 178.2dB FoMs in simulation.

Original languageEnglish
Title of host publication2024 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages78-79
Number of pages2
ISBN (Electronic)9798331530709
DOIs
Publication statusPublished - 2024
Externally publishedYes
Event2024 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2024 - Hangzhou, China
Duration: 25 Oct 202427 Oct 2024

Publication series

Name2024 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2024

Conference

Conference2024 IEEE International Conference on Integrated Circuits, Technologies and Applications, ICTA 2024
Country/TerritoryChina
CityHangzhou
Period25/10/2427/10/24

Keywords

  • ADC
  • FIA
  • noise cancellation
  • SAR

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