反向Early效应对带隙参考元件性能的影响

IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications Pub Date : 1900-01-01 DOI:10.1109/81.502214

A. vanStaveren, C. Verhoeven, A. Vanroermund

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引用次数: 7

摘要

在文献中，设计双极带隙参考文献通常使用三个关键参数:EG(带隙能量)，IS(饱和电流)和XTI (IS的温度行为指数)。本文指出了四个关键参数的存在:这三个参数和VAR、反向Early电压。该参数模拟了基极-发射极结的基极宽度调制对集电极电流的影响。导出了由反向Early效应引起的输出电压误差的一般表达式，并与其他误差进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The influence of the reverse Early effect on the performance of bandgap references

In the literature three key-parameters are commonly used for the design of bipolar bandgap references: EG (bandgap energy), IS (saturation current) and XTI (exponent of the temperature behavior of IS). This paper shows that four key parameters exist: these three and VAR,the reverse Early voltage. This parameter models the influence of the base-width modulation at the base-emitter junction on the collector current. A general expression for the error in the output voltage caused by the reverse Early effect is derived and a comparison is made with other errors.

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来源期刊

IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications

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