Article(id=1309639705138913705, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1309639699476606989, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20250310, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1749484800000, revisedDateStr=2025-06-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1790172037634, onlineDateStr=2026-09-23, pubDate=1771862400000, pubDateStr=2026-02-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790172037634, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790172037634, creator=13701087609, updateTime=1790172037634, updator=13701087609, issue=Issue{id=1309639699476606989, tenantId=1146029695717560320, journalId=1189621681917173762, year='2026', volume='', issue='2', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='1771862400000', pubDateStr='2026-02-24', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790172036284, creator='13701087609', updateTime=1790232907749, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309895012968661940, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1309639699476606989, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309895012968661941, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1309639699476606989, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=7, endPage=12, ext={EN=ArticleExt(id=1309639705445097899, articleId=1309639705138913705, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=The Reliability Optimization Design of Vehicle Chip Based on Advanced Techonology, columnId=1309639705340240298, journalTitle=Automobile Technology, columnName=Special Topic on Academic Papers at the 28th CAST Annual Meeting: Key Technologies for Automotive-Grade Chip Architecture Improvement and Reliability Optimization, runingTitle=null, highlight=null, articleAbstract=

Based on the SMIC 12 nm Fin Field-Effect Transistor (FinFET) process, this paper analyzes the harmonic distortion and bandwidth performance indicators of the track/hold circuit at the front end of the Analog-to-Digital (A/D) converter. By reasonably selecting the type and size of the track/hold switch, the harmonic distortion caused by the temperature variation of the track/hold switch is reduced, and a new type of switch output buffer is proposed to improve the linearity of the track/hold circuit and the driving capability of the A/D converter. Test results show that: using the gate and parasitic capacitances of N-type Metal-Oxide-Semiconductor (NMOS) and P-type Metal-Oxide-Semiconductor (PMOS) transistors as sampling capacitances, the overall front-end circuit bandwidth is increased to 34 GHz through simulation verification with Cadence Virtuoso; when the sampling frequency f_s=10 GHz and the input signal f_in=9.8 GHz, the Spurious-Free Dynamic Range (SFDR) and Total Harmonic Distortion (THD) reach 67 dB and -59.5 dB, respectively. The proposed design scheme can be applied to the built-in self-test and self-check safety system of autonomous driving, reducing the failure rate of the autonomous driving system and improving the reliability of the embedded vehicle chip safety mechanism.

, authors=Hongyu Liang¹, Xiaoyu Yang^{1, 2}, Zhihua Feng¹, Yan Wang^{1, 3}, authorsList=Hongyu Liang, Xiaoyu Yang, Zhihua Feng, Yan Wang, authorCompany=null, correspAuthors=Zhihua Feng, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309639705705144749, articleId=1309639705138913705, tenantId=1146029695717560320, journalId=1189621681917173762, language=CN, title=基于先进工艺的车载芯片可靠性优化设计, columnId=1309639705524789676, journalTitle=汽车技术, columnName=第二十八届中国科协年会学术论文专题——车规芯片架构改进与可靠性优化关键技术, runingTitle=null, highlight=null, articleAbstract=

基于SMIC 12 nm鳍式场效应晶体管（FinFet）工艺，对模拟/数字（A/D）转换器前端跟踪/保持电路的谐波失真、带宽等性能指标进行了分析。通过合理选取采样开关的类型、尺寸，降低跟踪/保持开关随温度变化引入的谐波失真，提出一种新型的开关输出缓冲器，提升跟踪/保持电路的线性度和A/D转换器的驱动力。试验结果表明，将N型金属氧化物半导体（NMOS）、P型金属氧化物半导体（PMOS）场效晶体管的电容和寄生电容作为采样电容，整体前端电路带宽提升至34 GHz；通过Cadence Virtuoso的仿真验证，当采样频率f_s=10 GHz、输入信号频率f_in=9.8 GHz时，无杂散动态范围（SFDR）和总谐波失真（THD）分别达到67 dB、-59.5 dB。所提出的设计方案可用于自动驾驶的内置自检安全系统，降低自动驾驶系统故障率，提升嵌入式车载芯片安全机制的可靠性。

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