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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.
ASIC, 2003. Proceedings. 5th International Conference on (Volume:1 )
Date of Conference: 21-24 Oct. 2003