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Level shifter, digital-to-analog converter, and buffer amplifier, and source driver and electronic device including the same
Level shifter, digital-to-analog converter, and buffer amplifier, and source driver and electronic device including the same
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机译:电平转换器,数模转换器,缓冲放大器,包括其的源极驱动器和电子设备
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摘要
A level shifter, a digital-to-analog converter (DAC), and a buffer amplifier, and a source driver and an electronic device including the same are provided. The source driver includes a level shifter configured to receive digital bits and provide a level-shifted output signal; a DAC including a resistor string configured to provide a plurality of gradation voltages formed by an upper limit voltage and a lower limit voltage being received through one end and the other end, and an N-type metal oxide semiconductor (NMOS) switch and a P-type MOS (PMOS) switch configured to be controlled by the level-shifted output signal and output a gradation voltage corresponding to the level-shifted output signal; and an amplifier configured to amplify a signal provided by the digital-to-analog converter, and the lower limit voltage is provided to a body electrode of the NMOS switch.
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