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MULTIPLYING DIGITAL ANALOG CONVERTER AND OPERATING METHOD FOR SAME

机译:相同的数字乘法模拟转换器及其运算方法

摘要

The present invention relates to a multiplying digital analog converter included in a pipelined analog digital converter, and an operating method for same. The multiplying digital analog converter comprises: a first capacitor unit which samples an input voltage in a sampling phase and holds same, and amplifies the difference between the input voltage and a reference voltage in an amplification phase, and transmits same to an output terminal; and a second capacitor unit which samples the input voltage in the sampling phase, and holds same, and transmits, to the first capacitor unit, the voltage difference resulting from the reference voltage having been subtracted from the input voltage in the amplification phase. The first capacitor unit can comprise three Y-connected capacitors.
机译:流水线模拟数字转换器中包括的乘法数字模拟转换器及其操作方法技术领域本发明涉及流水线模拟数字转换器中包括的乘法数字模拟转换器及其操作方法。乘法数字模拟转换器包括:第一电容器单元,其在采样阶段对输入电压进行采样并保持该电压,并在放大阶段放大输入电压与参考电压之间的差,并将其传输至输出端子。第二电容器单元,其在采样阶段对输入电压进行采样,并保持该电压,并将已从放大阶段的输入电压中减去参考电压而产生的电压差传输至第一电容器单元。第一电容器单元可以包括三个Y形连接的电容器。

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