电流转向DAC的非理想性分析

2020 IEEE International Conference on Artificial Intelligence and Information Systems (ICAIIS) Pub Date : 2020-03-01 DOI:10.1109/ICAIIS49377.2020.9194898

Wei Zhang, Ruoyuan Qu, Ming Zhu

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引用次数: 0

摘要

本文对电流转向数模转换器(DAC)电路设计中的一些不理想因素进行了分析和总结。对一个12位经典电流转向DAC进行了分析，并验证了这些非理想因素的影响。同时，在布局后仿真中也对非理想性进行了双重检查。整个电路在TSMC 0.25um BCD工艺中进行了测试，最后对测试结果和仿真结果进行了比较。对比结果表明，非理想分析可用于估计电流转向DAC的非线性，指导DAC的电路设计。

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Non-ideality Analysis of Current steering DAC

Some non-ideal factors during circuit design of current steering digital to analog converter (DAC) are analyzed and summarized in this paper. A 12-bit classic current steering DAC has been analyzed and effects of these non-ideal factors has been validated. Meanwhile, non-idealities are also double checked in post-layout simulation. The whole circuit has been taped out in TSMC 0.25um BCD process, test and simulation results are compared at last. The comparison results show that the non-ideal analysis can be used to estimate non-linearity of current steering DAC and guide the circuit design of DACs.

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2020 IEEE International Conference on Artificial Intelligence and Information Systems (ICAIIS)

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