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BUFFER AMPLIFIER, DRIVER IC, AND DISPLAY APPARATUS USING THAT DRIVER IC
BUFFER AMPLIFIER, DRIVER IC, AND DISPLAY APPARATUS USING THAT DRIVER IC
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机译:缓冲放大器,驱动器IC以及使用该驱动器IC的显示装置
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摘要
A buffer circuit is driven with a low voltage and operates at a high speed has first and second comparators constituted by P channel and N channel MOS transistors provided between an input terminal and an output terminal of a buffer amplifier. A predetermined offset voltage is set for the comparing operation, and a switch circuit turns ON/OFF in response to an output signal from the first comparator and the output signal of the second comparator. A leading up of an output voltage from the buffer amplifier is accelerated by the current flowing from a power source line to the output terminal. The buffer circuit also includes an operation restricting circuit for restricting the comparing operation of the second comparator in a range of a dead band of the transistors.
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