A new architecture of LCD driver of rail-to-rail buffer with high gain wide range

Shih Han Lin; Shu Jung Chen; Chih-Hsiung Shen

doi:10.4028/www.scientific.net/AMR.97-101.3765

A new architecture of LCD driver of rail-to-rail buffer with high gain wide range

Shih Han Lin, Shu Jung Chen, Chih-Hsiung Shen

Department of Mechatronic Engineering

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

Abstract

A new modified CMOS buffer amplifier with rail-to-rail input and output range is proposed by TSMC 0.35μm 2P4M process at 3.3V supply. The technique adds dummy pairs to sense the common mode range of the input differential pair and adjusts the output current accordingly. The amplifier provides high gain for a wider range of output voltages. Design considerations for reducing the impact of the additional circuitry on the core are provided. The technique described can be adapted for use with traditional fully-differential rail-to-rail amplifiers, which performs 86.9dB ∼92dB dc gain, 15 MHz unit-gain bandwidth, high driving ability with high slew rate under a 100pF capacitance and a 3kΩ series resistance loading. The simulation results indicate that the settling times of rising and falling edge are within 3.5μs. It is effective for a high resolution and high speed LCD driver.

Original language	English
Title of host publication	Manufacturing Science and Engineering I
Pages	3765-3768
Number of pages	4
DOIs	https://doi.org/10.4028/www.scientific.net/AMR.97-101.3765
Publication status	Published - 2010 Apr 22
Event	2009 International Conference on Manufacturing Science and Engineering, ICMSE 2009 - Zhuhai, China Duration: 2009 Dec 26 → 2009 Dec 28

Publication series

Name	Advanced Materials Research
Volume	97-101
ISSN (Print)	1022-6680

Other

Other	2009 International Conference on Manufacturing Science and Engineering, ICMSE 2009
Country	China
City	Zhuhai
Period	09-12-26 → 09-12-28

All Science Journal Classification (ASJC) codes

Engineering(all)

Access to Document

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Cite this

@inproceedings{54a9f37b27054e82b393ea8a6afeb7c1,

title = "A new architecture of LCD driver of rail-to-rail buffer with high gain wide range",

abstract = "A new modified CMOS buffer amplifier with rail-to-rail input and output range is proposed by TSMC 0.35μm 2P4M process at 3.3V supply. The technique adds dummy pairs to sense the common mode range of the input differential pair and adjusts the output current accordingly. The amplifier provides high gain for a wider range of output voltages. Design considerations for reducing the impact of the additional circuitry on the core are provided. The technique described can be adapted for use with traditional fully-differential rail-to-rail amplifiers, which performs 86.9dB ∼92dB dc gain, 15 MHz unit-gain bandwidth, high driving ability with high slew rate under a 100pF capacitance and a 3kΩ series resistance loading. The simulation results indicate that the settling times of rising and falling edge are within 3.5μs. It is effective for a high resolution and high speed LCD driver.",

author = "Lin, {Shih Han} and Chen, {Shu Jung} and Chih-Hsiung Shen",

year = "2010",

month = apr,

day = "22",

doi = "10.4028/www.scientific.net/AMR.97-101.3765",

language = "English",

isbn = "0878492801",

series = "Advanced Materials Research",

pages = "3765--3768",

booktitle = "Manufacturing Science and Engineering I",

note = "2009 International Conference on Manufacturing Science and Engineering, ICMSE 2009 ; Conference date: 26-12-2009 Through 28-12-2009",

}

Lin, SH, Chen, SJ & Shen, C-H 2010, A new architecture of LCD driver of rail-to-rail buffer with high gain wide range. in Manufacturing Science and Engineering I. Advanced Materials Research, vol. 97-101, pp. 3765-3768, 2009 International Conference on Manufacturing Science and Engineering, ICMSE 2009, Zhuhai, China, 09-12-26. https://doi.org/10.4028/www.scientific.net/AMR.97-101.3765

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AU - Chen, Shu Jung

AU - Shen, Chih-Hsiung

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Y1 - 2010/4/22

N2 - A new modified CMOS buffer amplifier with rail-to-rail input and output range is proposed by TSMC 0.35μm 2P4M process at 3.3V supply. The technique adds dummy pairs to sense the common mode range of the input differential pair and adjusts the output current accordingly. The amplifier provides high gain for a wider range of output voltages. Design considerations for reducing the impact of the additional circuitry on the core are provided. The technique described can be adapted for use with traditional fully-differential rail-to-rail amplifiers, which performs 86.9dB ∼92dB dc gain, 15 MHz unit-gain bandwidth, high driving ability with high slew rate under a 100pF capacitance and a 3kΩ series resistance loading. The simulation results indicate that the settling times of rising and falling edge are within 3.5μs. It is effective for a high resolution and high speed LCD driver.

AB - A new modified CMOS buffer amplifier with rail-to-rail input and output range is proposed by TSMC 0.35μm 2P4M process at 3.3V supply. The technique adds dummy pairs to sense the common mode range of the input differential pair and adjusts the output current accordingly. The amplifier provides high gain for a wider range of output voltages. Design considerations for reducing the impact of the additional circuitry on the core are provided. The technique described can be adapted for use with traditional fully-differential rail-to-rail amplifiers, which performs 86.9dB ∼92dB dc gain, 15 MHz unit-gain bandwidth, high driving ability with high slew rate under a 100pF capacitance and a 3kΩ series resistance loading. The simulation results indicate that the settling times of rising and falling edge are within 3.5μs. It is effective for a high resolution and high speed LCD driver.

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