DocumentCode
2466470
Title
Amplifier offset dependent chopping method for LCD column driver ICs
Author
Kim, Hyung-Tae ; Cha, Soo-Ik ; Park, Chun-Wook ; Min, Sung-Joon ; Kim, Soo-Won
Author_Institution
Syst. LSI Div., Samsung Electron., Inc., Yongin
fYear
2008
fDate
8-10 Dec. 2008
Firstpage
1
Lastpage
4
Abstract
A new offset reduction architecture presents, which is called Amplifier Offset Dependent Chopping (AODC). This technique is half reflecting method of random offset in amplifier. The proposed method can reduce 50% of random offset in buffer system. This method is applied in large LCD TV driving system using 0.13 um CMOS technology. So we got 40% reduction of output variation.
Keywords
amplifiers; choppers (circuits); driver circuits; LCD TV driving system; LCD column driver ICs; amplifier; half reflecting method; offset dependent chopping method; Driver circuits;
fLanguage
English
Publisher
ieee
Conference_Titel
Electron Devices and Solid-State Circuits, 2008. EDSSC 2008. IEEE International Conference on
Conference_Location
Hong Kong
Print_ISBN
978-1-4244-2539-6
Electronic_ISBN
978-1-4244-2540-2
Type
conf
DOI
10.1109/EDSSC.2008.4760678
Filename
4760678
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