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A Near-1V 10ppm/℃ CMOS Bandgap Reference with Curvature Compensation

Xing Xinpeng, Li Dongmei and Wang Zhihua

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Abstract: A low voltage bandgap reference with curvature compensation is presented.Using current mode structure,the proposed bandgap circuit has a minimum voltage of 900mV.Compensated through the VEB linearization technique,this bandgap reference can reach a temperature coefficient of 10ppm/℃ from 0 to 150℃.With a 1.1V supply voltage,the supply current is 43μA and the PSRR is 55dB at DC frequency.This bandgap reference has been verified in a UMC 0.18μm mixed mode CMOS technology and occupies 0.186mm2 of chip area.

Key words: CMOS bandgap reference,  low voltage,  curvature compensation

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    Received: 18 August 2015 Revised: 25 August 2007 Online: Published: 01 January 2008

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      Xing Xinpeng, Li Dongmei, Wang Zhihua. A Near-1V 10ppm/℃ CMOS Bandgap Reference with Curvature Compensation[J]. Journal of Semiconductors, 2008, 29(1): 24-28. ****Xing X P, Li D M, Wang Z H. A Near-1V 10ppm/℃ CMOS Bandgap Reference with Curvature Compensation[J]. J. Semicond., 2008, 29(1): 24.
      Citation:
      Xing Xinpeng, Li Dongmei, Wang Zhihua. A Near-1V 10ppm/℃ CMOS Bandgap Reference with Curvature Compensation[J]. Journal of Semiconductors, 2008, 29(1): 24-28. ****
      Xing X P, Li D M, Wang Z H. A Near-1V 10ppm/℃ CMOS Bandgap Reference with Curvature Compensation[J]. J. Semicond., 2008, 29(1): 24.

      A Near-1V 10ppm/℃ CMOS Bandgap Reference with Curvature Compensation

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

      • Department of Electronics Engineering,Tsinghua University,Beijing 100084,China

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

      • Received Date: 2015-08-18
      • Accepted Date: 2007-07-09
      • Revised Date: 2007-08-25
      • Published Date: 2007-12-26

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