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Author:

Wan, Peiyuan (Wan, Peiyuan.) | Lang, Wei (Lang, Wei.) | Jin, Rui (Jin, Rui.) | Zhang, Chi (Zhang, Chi.) (Scholars:张弛) | Lin, Pingfen (Lin, Pingfen.)

Indexed by:

CPCI-S

Abstract:

A front-end unity-gain 1-bit flip-around DAC (FADAC) is exploited in a 12-bit opamp-sharing pipelined ADC, allowing a 1.8-V-pp, full-swing input at a 1.1-V supply. The high input swing, coupled with a large feedback factor (z1) of the FADAC, enables a low-voltage low-power design for a high resolution pipelined ADC. The prototype 12-bit ADC operating at 20-MS/s and 1.1-V supply achieves a 66.4 dB SNDR and 76.7 dB SFDR with a 3 MHz input. The ADC consumes 5.2 mW of power and occupies an active area of 0.44 mm(2) in 0.13-Rm CMOS.

Keyword:

opamp-sharing low-power low-voltage pipelined analog-to-digital converter (ADC) Flip-around digital-to-analog converter (FADAC)

Author Community:

  • [ 1 ] [Wan, Peiyuan]Beijing Univ Technol, Beijing Embedded Syst Key Lab, Beijing 100124, Peoples R China
  • [ 2 ] [Lang, Wei]Beijing Univ Technol, Beijing Embedded Syst Key Lab, Beijing 100124, Peoples R China
  • [ 3 ] [Jin, Rui]Beijing Univ Technol, Beijing Embedded Syst Key Lab, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Chi]Beijing Univ Technol, Beijing Embedded Syst Key Lab, Beijing 100124, Peoples R China
  • [ 5 ] [Lin, Pingfen]Beijing Univ Technol, Beijing Embedded Syst Key Lab, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Wan, Peiyuan]Beijing Univ Technol, Beijing Embedded Syst Key Lab, Beijing 100124, Peoples R China

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Source :

PROCEEDINGS OF THE 2012 IEEE INTERNATIONAL SYMPOSIUM ON RADIO-FREQUENCY INTEGRATION TECHNOLOGY (RFIT)

Year: 2012

Page: 80-82

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 14

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