A logarithmic level-crossing ADC

A logarithmic level-crossing ADC
复制标题

对数电平交叉 ADC

DOI：
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发表时间：
2017
期刊：
International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology
影响因子：
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通讯作者：
A. Thanachayanont
A. Thanachayanont
中科院分区：
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文献类型：
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作者：
S. Sirimasakul;A. Thanachayanont

文献摘要

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提出了一种用于生物医学领域的3位对数电平交叉模数转换器（LC-ADC）。该电路基于反馈式LC-ADC结构，采用对数电荷缩放数模转换器实现。在0.35 μ mCMOS工艺和1.5V电源电压下，对电路进行了设计和仿真。工艺角模拟结果表明，INL和DNL误差分别在+0.14/−0.09LSB和+0.14/−0.21LSB范围内。
A 3-bit logarithmic level-crossing analog-to-digital converter (LC-ADC) for biomedical applications is presented. Based on the feedback LC-ADC structure, the proposed circuit is realized by using logarithmic charge-scaling digital-to-analog converters. The circuit is designed and simulated with process parameters from a 0.35-μm CMOS technology and a 1.5-V power supply voltage. Process corner simulation results showed that the INL and DNL errors are within the range of +0.14/−0.09LSB and +0.14/−0.21LSB, respectively.