A compact rail-to-rail buffer with current positive-feedback for LCD source driver

Jia Hui Wang; Hao Yuan Zheng; Chien-Hung Tsai; Chin Tien Chang; Ching Chung Lee; Chen Yu Wang

doi:10.1109/VDAT.2009.5158091

A compact rail-to-rail buffer with current positive-feedback for LCD source driver

Jia Hui Wang, Hao Yuan Zheng, Chien-Hung Tsai, Chin Tien Chang, Ching Chung Lee, Chen Yu Wang

Department of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

A new compact rail-to-rail buffer amplifier for active matrix liquid crystal display source driver applications is proposed. Two complementary buffer amplifiers driving a pair of column lines are used to realize a rail-to-rail driver. The compact buffer amplifier has a large driving capability with the function of charge and discharge provided by the current positive-feedback (CPF). The CPF can increase the charge capability in conventional class-A pMOS input buffer amplifiers and increases the discharge capability in conventional class-A nMOS input buffer amplifiers. The compact rail-to-rail buffer amplifier is implemented using 0.35μm CMOS 2-poly 4-metal process technology. The quiescent current consumed is 2.8μA and 3μA for a pMOS input buffer amplifier and an nMOS input buffer amplifier, respectively.

Original language	English
Title of host publication	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09
Pages	43-46
Number of pages	4
DOIs	https://doi.org/10.1109/VDAT.2009.5158091
Publication status	Published - 2009 Dec 1
Event	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09 - Hsinchu, Taiwan Duration: 2009 Apr 28 → 2009 Apr 30

Publication series

Name	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09

Other

Other	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09
Country/Territory	Taiwan
City	Hsinchu
Period	09-04-28 → 09-04-30

All Science Journal Classification (ASJC) codes

Hardware and Architecture
Control and Systems Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/VDAT.2009.5158091

Cite this

Wang, J. H., Zheng, H. Y., Tsai, C.-H., Chang, C. T., Lee, C. C., & Wang, C. Y. (2009). A compact rail-to-rail buffer with current positive-feedback for LCD source driver. In 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09 (pp. 43-46). Article 5158091 (2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09). https://doi.org/10.1109/VDAT.2009.5158091

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title = "A compact rail-to-rail buffer with current positive-feedback for LCD source driver",

abstract = "A new compact rail-to-rail buffer amplifier for active matrix liquid crystal display source driver applications is proposed. Two complementary buffer amplifiers driving a pair of column lines are used to realize a rail-to-rail driver. The compact buffer amplifier has a large driving capability with the function of charge and discharge provided by the current positive-feedback (CPF). The CPF can increase the charge capability in conventional class-A pMOS input buffer amplifiers and increases the discharge capability in conventional class-A nMOS input buffer amplifiers. The compact rail-to-rail buffer amplifier is implemented using 0.35μm CMOS 2-poly 4-metal process technology. The quiescent current consumed is 2.8μA and 3μA for a pMOS input buffer amplifier and an nMOS input buffer amplifier, respectively.",

author = "Wang, {Jia Hui} and Zheng, {Hao Yuan} and Chien-Hung Tsai and Chang, {Chin Tien} and Lee, {Ching Chung} and Wang, {Chen Yu}",

year = "2009",

month = dec,

day = "1",

doi = "10.1109/VDAT.2009.5158091",

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series = "2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09",

pages = "43--46",

booktitle = "2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09",

note = "2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09 ; Conference date: 28-04-2009 Through 30-04-2009",

}

Wang, JH, Zheng, HY, Tsai, C-H, Chang, CT, Lee, CC & Wang, CY 2009, A compact rail-to-rail buffer with current positive-feedback for LCD source driver. in 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09., 5158091, 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09, pp. 43-46, 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09, Hsinchu, Taiwan, 09-04-28. https://doi.org/10.1109/VDAT.2009.5158091

A compact rail-to-rail buffer with current positive-feedback for LCD source driver. / Wang, Jia Hui; Zheng, Hao Yuan; Tsai, Chien-Hung et al.
2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09. 2009. p. 43-46 5158091 (2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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A compact rail-to-rail buffer with current positive-feedback for LCD source driver

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