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Compact low-power high-slew-rate buffer for LCD driver applications

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3 Author(s)
H. -b. Le ; Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST) ; X. -d. Do ; S. -g. Lee

A very compact, rail-to-rail, low-power, high-speed buffer amplifier for LCD driver applications is proposed. A slew-rate enhancement technique based on a dynamic current bias scheme is adopted, and a high slew-rate is obtained without increasing the quiescent current. The buffer amplifier uses a small number of transistors and enables very small active layout area. The proposed buffer amplifier is suitable for both low- and high-voltage LCD driver applications.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 20 )