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Design of a cyclic column-parallel ADC for Monolithic Active Pixel Sensor

  • Y. S. Wang
  • , Y. Wen
  • , W. Lu
  • , H. Wang
  • , Y. Wang
  • , F. Fu
  • , Y. Tian
  • , W. Zhou
  • , H. Yang
  • , J. Wang
  • , C. Zhao*
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Chinese Academy of Sciences
  • University of Chinese Academy of Sciences

Research output: Contribution to journalArticlepeer-review

Abstract

This paper describes a 5-bit cyclic column-parallel ADC for Monolithic Active Pixel Sensor. The column-parallel ADC combines the dedicated sample phase and the signal conversion phase into a single phase. Moreover, it has a high tolerance to the offset of the comparators in the ADC by generating 1.5 bit in every stage. Each column-parallel ADC covers a small area of 100 μm × 200 μm, consumes 4.5 mW at 3.3 V supply and provides the sampling rate of 10 MS/s with the dynamic range of 1000 mV. The results show that the ADC has a signal-to-noise and distortion ratio (SNDR) of 28.47 dB. Its DNL and INL are -0.039/0.055 LSB and -0.048/0.095 LSB, respectively.

Original languageEnglish
Article numberC02004
JournalJournal of Instrumentation
Volume15
Issue number2
DOIs
StatePublished - 4 Feb 2020

Keywords

  • Analogue electronic circuits
  • Particle tracking detectors
  • Pixelated detectors and associated VLSI electronics
  • VLSI circuits

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