• DocumentCode
    3299313
  • Title

    A 0.8V, 7μA, rail-to-rail input/output, constant Gm operational amplifier in standard digital 0.18μm CMOS

  • Author

    Citakovic, Jelena ; Nielsen, Ivan Riis ; Nielsen, Jannik Hammel ; Asbeck, Per ; Andreani, Pietro

  • Author_Institution
    Orsted-DTU, Tech. Univ. of Denmark, Lyngby, Denmark
  • fYear
    2005
  • fDate
    21-22 Nov. 2005
  • Firstpage
    54
  • Lastpage
    57
  • Abstract
    A two-stage amplifier, operational at 0.8V and drawing 7μA, has been integrated in a standard digital 0.18μm CMOS process. Rail-to-rail operations at the input are enabled by complementary transistor pairs with gm control. The efficient rail-to-rail output stage is biased in class AB. The measured DC gain of the amplifier is 75dB, and the unity-gain frequency is 870kHz with a 12pF, 100kΩload. Both input and output stage transistors are biased in weak inversion.
  • Keywords
    CMOS digital integrated circuits; integrated circuit design; operational amplifiers; 0.18 micron; 0.8 V; 100 kohm; 12 pF; 7 muA; 75 dB; 870 kHz; complementary transistor pairs; digital CMOS process; input stage transistors; operational amplifier; output stage transistors; rail-to-rail operations; two-stage amplifier; Circuits; Frequency; MOS devices; MOSFETs; Operational amplifiers; Rail to rail amplifiers; Rail to rail inputs; Rail to rail operation; Rail to rail outputs; Threshold voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    NORCHIP Conference, 2005. 23rd
  • Print_ISBN
    1-4244-0064-3
  • Type

    conf

  • DOI
    10.1109/NORCHP.2005.1596987
  • Filename
    1596987
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3299313