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P‐55: A 10‐Bit Digital‐to‐Analog Converter Using Active Resistor Strings for TFT LCDs
Author(s) -
Lee WooNyoung,
Choi Changhwee,
Kim Hyungtae,
Park Jeongtae,
Ahn Jeongah,
Lee Seungkwon,
Chang Kyeeon
Publication year - 2008
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3069405
Subject(s) - resistor , digital to analog converter , liquid crystal display , least significant bit , string (physics) , cmos , thin film transistor , transistor , electrical engineering , computer science , electronic engineering , engineering , physics , optoelectronics , voltage , electrode , quantum mechanics , operating system
A general source driver IC used in TFT (Thin Film Transistor) LCD (Liquid Crystal Display) is non‐linear passive resistor string DAC (Digital to Analog Converter) architecture. However, It has the limits for satisfaction needs of market. In this paper, a new linear active resistor string DAC architecture of the source drive IC used in the TFT LCD is proposed. A new linear active resistor string DAC architecture is capable to support more size efficiency and multiple gamma value and reduction RC delay. It is implemented in 0.35 μm CMOS process, and INL & DNL of active resistor string DAC are ±0.5 LSB and ±0.3 LSB each other.

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