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CMOS bandgap voltage reference with 1.8-V power supply

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4 Author(s)
Yang Li ; ASIC & Syst. State Key Lab., Fudan Univ., Shanghai, China ; Shi Yufeng ; Li Lian ; Zheng Zengyu

To overcome the limitation of the silicon energy gap in electron volts 1.2 V which leads to that the voltage reference is fixed at about 1.2 V, a design of current-mode (CM) architecture CMOS bandgap voltage reference with arbitrary voltage value by setting the resistor value is presented here with low 1.8-V power supply. The simulation results indicate a temperature coefficient (TC) of 5 ppm/°C from -20°C to 125°C after trimming and a power supply rejection ratio (PSRR) of 64 dB.

Published in:

ASIC, 2003. Proceedings. 5th International Conference on  (Volume:1 )

Date of Conference:

21-24 Oct. 2003