• DocumentCode
    1996690
  • Title

    A novel low voltage Subtracting BandGap Reference with temperature coefficient of 2.2 ppm/°

  • Author

    Zhu, Wen-rui ; Yang, Hai-gang ; Gao, Tong-qiang

  • Author_Institution
    Inst. of Electron., Beijing, China
  • fYear
    2011
  • fDate
    15-18 May 2011
  • Firstpage
    2281
  • Lastpage
    2284
  • Abstract
    A novel structure of CMOS low voltage bandgap reference, called "Subtracting BandGap Reference" (SBGR), is proposed. In this work, the extremely small temperature coefficient is obtained by subtracting two Complementary To Absolute Temperature (CTAT) currents with same temperature coefficient but different magnitude. The subtraction of two CTAT currents which have similar characteristics leads to low temperature coefficient. Simulation results show that the new SBGR circuit achieves a temperature coefficient three times lower than that of the conventional low voltage bandgap reference.
  • Keywords
    CMOS integrated circuits; CMOS low voltage bandgap reference; absolute temperature current; low voltage subtracting bandgap reference; temperature coefficient; CMOS integrated circuits; Low voltage; Photonic band gap; Resistance; Solid state circuits; Temperature; Temperature dependence;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Circuits and Systems (ISCAS), 2011 IEEE International Symposium on
  • Conference_Location
    Rio de Janeiro
  • ISSN
    0271-4302
  • Print_ISBN
    978-1-4244-9473-6
  • Electronic_ISBN
    0271-4302
  • Type

    conf

  • DOI
    10.1109/ISCAS.2011.5938057
  • Filename
    5938057
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1996690