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《Semiconductor Technology》 2007-09
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Design of High Precision CMOS Bandgap Voltage Reference

SHEN Ju,SONG Zhi-tang,LIU Bo,FENG Song-lin,ZHU Jia-bing(Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China)  
A novel super performance CMOS voltage reference circuit was designed based on the theory of bandgap voltage reference.Using SMIC 0.18 μm CMOS process,Hspice simulation shows that the average temperature coefficient is 6.3×10-6/℃ in the rage of-10~120 ℃.The circuit also has a high power supply rejection ratio,about 69 dB when power supply voltage changes from 3.0~3.6 V.It can be used in the high precision driver circuit of phase change memory chip.
【Fund】: 国家重点基础研究发展计划(2006CB302700);; 国家863计划(2006AA03Z360);; 中国科学院(Y2005027);; 上海市科委(05JC14076 0552nm043 AM0517 06QA14060 06XD14025 0652nm003 06DZ22017)
【CateGory Index】: TN86
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