其它特性包括：集成缓冲用来驱动基准电压，以及集成完全差动放大器用来缓冲调制器输入并进行电平转换。
Other features include an integrated buffer to drive the reference as well as a fully differential amplifier to buffer and level shift the input to the modulator.
基准源作为其中关键模块之一，不仅需要为系统提供精准的偏置电压和偏置电流，差分基准源还将为其提供比较电平和残差电压，它的性能将直接影响到系统指标。
Reference is the key part of ADC, not only providing the bias voltage and current for the system but also playing the part of the compared voltage and subtracted voltage.
基准源作为其中关键模块之一，不仅需要为系统提供精准的偏置电压和偏置电流，差分基准源还将为其提供比较电平和残差电压，它的性能将直接影响到系统指标。
Reference is the key part of ADC, not only providing the bias voltage and current for the system but also playing the part of the compared voltage and subtracted voltage.
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