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一种新型的基于开关电容相关双采样的带隙基准电路 总被引:1,自引:1,他引:0
A switched capacitor bandgap voltage reference with correlated double sampling structure embedded in a temperature sensor is implemented in a standard 0.35μm CMOS process.Due to the smaller change of the op-amp’s output voltage,this topology is very suitable for low power applications.In addition,errors caused by the finite op-amp gain,input offset voltage,and 1/f noise are eliminated with the correlated double sampling technique.Additionally,two-level process calibration techniques are designed to minimize the process spread. Finally,a method of getting a full period valid reference voltage output is discussed and experimental results are provided to verify the effectiveness of the proposed structure. 相似文献
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分久必合、合久必分,专业功能整合是PMU发展的趋势,而按照功能、物理位置、更新灵活度、效率、散热等定义成若干个模块搭配使用的Micro PMU模式或将成为电源管理主流方式。 相似文献
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