CMOS带隙基准电压源中的曲率校正方法

基准电压源是集成电路系统中一个非常重要的构成单元。结合近年来的设计经验,首先给出了带隙基准源曲率产生的主要原因,而后介绍了在高性能CMOS带隙基准电压源中所广泛采用的几种曲率校正方法。给出并分析了一些近年来采用曲率校正方法的CMOS带隙基准电压源核心电路以及他们的设计原理、理论推导、参考电路和特点。最后,对于所讨论的基准源电路进行了性能比较和优缺点分析。

Design Considerations of Recent Curvature - Corrected CMOS Bandgap Reference

Voltage reference is one of the most important IC cells.The main reason that produces the curvature is introduced and the design considerations of recent curvaturecorrected CMOS bandgap references are discussed in this paper.Some rencently reported core circuits of CMOS bandgap references with curvaturecorrection are included and analyzed,with regard to the design principles, theoretical derivation,reference circuits and features.Moreover,a comparison is made on performances of mentioned circuits.