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DA CONVERTER, DA CONVERSION DEVICE, AND DA CONVERSION METHOD
DA CONVERTER, DA CONVERSION DEVICE, AND DA CONVERSION METHOD
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机译:DA转换器,DA转换设备和DA转换方法
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摘要
PROBLEM TO BE SOLVED: To provide a DA converter that implements an amplifier with a wide input voltage range and high linearity with a low cost and simple configuration.;SOLUTION: A DA converter and a DA conversion method are provided. The DA converter includes: a first DA conversion unit that outputs a first analog voltage according to an input digital code; a first amplifier circuit having a first differential pair composed of N-type transistors; a second amplifier circuit having a second differential pair composed of P-type transistors; and a first selection circuit for selecting which of the first amplifier circuit and the second amplifier circuit outputs a buffered first analog voltage, on the basis of the digital code.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT
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