Abstract:This paper demonstrates a design of bandgap voltage reference with high precision and low temperature coefficient. A dual-differential input operational amplifier is used for high-temperature coefficient compensation. The chip is simulated by using Cadence’s Spectre software and implemented by using TSMC 0.35 μm mixed-signal process. Simulation results indicate that the bandgap voltage reference has a temperature coefficient of 2.2 ppm/℃ in -40~125℃.
苑 婷; 巩文超; 何乐年. 高精度、低温度系数带隙基准电压源的设计与实现[J]. 电子与信息学报, 2009, 31(5): 1260-1263 .
Yuan Ting; Gong Wen-chao; He Le-nian. Design and Realization of a High Precision Low Temperature Coefficient Bandgap Voltage Reference. , 2009, 31(5): 1260-1263 .