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US08884797B2 Systems and methods providing active and passive charge sharing in a digital to analog converter 有权
在数模转换器中提供有源和无源电荷共享的系统和方法

Systems and methods providing active and passive charge sharing in a digital to analog converter
摘要：
A method for converting a multi-bit digital value to an analog value. The method includes, in a first conversion cycle, converting a first set of digital bits to a first analog voltage using passive charge-sharing. The method also includes, in a second conversion cycle, converting a second set of digital bits to a second analog voltage added to the first analog voltage using active charge-sharing. The first set of digital bits and the second set of digital bits are different bits of the multi-bit digital value.
摘要（中）：

一种用于将多位数字值转换为模拟值的方法。 该方法包括在第一转换周期中，使用无源电荷共享将第一组数字位转换为第一模拟电压。 该方法还包括在第二转换周期中，使用有源电荷共享将第二组数字位转换为添加到第一模拟电压的第二模拟电压。 第一组数字位和第二组数字位是多位数字值的不同位。

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