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LOW DC POWER RAIL-TO-RAIL BUFFER AMPLIFIER FOR LIQUID CRYSTAL DISPLAY APPLICATION
LOW DC POWER RAIL-TO-RAIL BUFFER AMPLIFIER FOR LIQUID CRYSTAL DISPLAY APPLICATION
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机译:液晶显示应用的低直流功率轨到轨缓冲器放大器
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摘要
A low DC power rail-to-rail buffer amplifier is suitable for liquid crystal display application. The buffer amplifier comprises: a dc bias stage, a pair of complementary differential amplifiers, a second stage amplifier, and output stage. The dc bias stage is used for the dc bias of the differential amplifiers and the second stage to obtain a rail-to-rail operation. This buffer amplifier can be operated in the power supply ranges of 5.5 V to the breakdown voltage. Simulated results show that the circuit draws only 5.3 μA static current.
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