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一种低功耗差动CMOS带隙基准源 被引量:14

A Low-Power Differential CMOS Bandgap Reference
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摘要 设计了一种采用0.6μmCMOS工艺的低功耗差动带隙基准电压源电路。在设计中采用两个pn结串联结构来减小运放失调电压的影响,并采用自偏置共源共栅运放来改善MOS器件对电源的依赖性。这种带隙基准源输出电压为2V,功耗为2.3mW,温度系数可达到13ppm/℃,主要适用于高精度模拟系统,并带有提高电源抑制比电路和启动电路。 A low-power differential bandgap reference using 0.6um CMOS process is described.In order to minish the influence of distortion voltage,we use two-pn series-connection structure,and we also adopt Self-biased cascade amplifier to improve the characteristic of MOS device depending on power supply.The bandgap reference which is applicable for precise analog system can provide a 2.0V output voltage while consuming 2.3mW ,and the average temperature coefficient is 13ppm/℃.In addition ,The bandgap reference also has a improving power supply rejection ratio(PSRR) circuit and a start-up circuit.
出处 《微计算机信息》 北大核心 2005年第06Z期120-121,共2页 Control & Automation
关键词 CMOS 低功耗 基准电压源 CMOS low-power voltage reference
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参考文献5

  • 1Phillip E.Allen and Douhlars R.Holberg, CMOS Analog Circuit Design,Second Edition,Oxford University Press,Inc2002 page153-159.
  • 2GrayPR MeyerRG.Analysis and Design of Analogy Integrated Circuits[M].北京:电子工业出版社,2002.页323-327.
  • 3袁文师,吴建辉.基准电压源设计[J].半导体技术,2004,29(4):90-94. 被引量:5
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  • 5T.Books and A.LWestwisk.A Low-Power Differential Cmos Bandgap Reference.lSSCC Dig of Tec.Papers,pp.248-249 Feb. 1994.

二级参考文献6

  • 1[1]RAZAVI B. Design of analog CMOS integrated Circuits [M].McGraw-Hill Higher Education Press, 2001,384- 389.
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