10-bit 100-MS/s pipelined ADC using input-swapped opamp sharing and self-calibrated V/I converter

Moo Young Kim, Jinwoo Kim, Tagjong Lee, Chulwoo Kim

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

A 31 mW, 10-bit 100-MS/s pipelined analog-to-digital converter (ADC), which alleviates the memory effect occurring in the opamp-sharing technique, and automatically corrects the current error of the V/I converter, has been developed. The proposed ADC achieves low-power consumption, high noise immunity, and has a small area, by employing an input-swapped opamp-sharing technique that switches the summing node in an multiplying digital-to-analog converter and a V/I converter with a process, supply voltage, and temperature condition detector. The ADC shows a differential nonlinearity of less than 0.48 LSB, and an integral nonlinearity of less than 0.95 LSB. Also, an signal-to-noise-and- distortion ratio of 56.2 dB is measured with a 1 MHz input frequency. This has been implemented in a 0.18-μm CMOS process, and occupies 1.6 ×0.8 mm2 of active area.

Original languageEnglish
Article number5492304
Pages (from-to)1438-1447
Number of pages10
JournalIEEE Transactions on Very Large Scale Integration (VLSI) Systems
Volume19
Issue number8
DOIs
Publication statusPublished - 2011 Aug 1

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Operational amplifiers
Digital to analog conversion
Electric power utilization
Switches
Detectors
Data storage equipment
Electric potential
Temperature

Keywords

  • Opamp-sharing
  • pipelined analog-to-digital converter (ADC)
  • self-calibration
  • switched bias
  • V/I converter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Hardware and Architecture
  • Software

Cite this

10-bit 100-MS/s pipelined ADC using input-swapped opamp sharing and self-calibrated V/I converter. / Kim, Moo Young; Kim, Jinwoo; Lee, Tagjong; Kim, Chulwoo.

In: IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Vol. 19, No. 8, 5492304, 01.08.2011, p. 1438-1447.

Research output: Contribution to journalArticle

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