电压基准作为一个基本的单元电路,在很多电路设计中都占有极其重要的地位。为了满足新型微电子产品对电压基准提出的更高要求,提出了一种基于亚阈值MOS的低电压基准源单元电路,该基准源单元电路采用TSMC0.35μm工艺设计,具有较低的工作电压1.5V,输出电压基准低达264.5mV,仿真验证该基准源单元电路温度系数为36ppm/C,具有较好的温度系数。对此类器件的设计和研发具有重要意义。
As a basic unit-circuit,voltage reference is essential in many circuits. To meet the even higher reguirements of new types of microelectronic products for voltage reference,a unitcircuit of low-voltage reference source based on sub-threshold MOS has been developed. This circuit is designed with TSMC 0.35 μm technology and has a lower working-voltage of 1.5 V. And its output voltage reference can be as low as 264. 5 mV. Simulation tests prove that its temperature index is 36 ppm/C, which is a good figure. It is significant in the design and development of this type of apparatus.