| 摘要 |
A sample-and-hold circuit according to the present invention includes an amplifier circuit amplifying a signal from an input terminal to output the amplified signal to an output terminal, a first switch connected to the input terminal, and a second switch arranged in parallel to the first switch and connected to the input terminal. Hence, an amplifier circuit operable at high speeds can be provided. In addition, a driver circuit for applying a grayscale voltage to each signal line of a display device includes a grayscale voltage output unit outputting a grayscale voltage, a precharge voltage generating unit generating a precharge voltage for a predetermined period before scanning, at a time of displaying on the display device, and an amplifier circuit amplifying an input signal to output the amplified signal to the display device.
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