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一种低压曲率校正带隙基准电压源
消耗积分:3 |
格式:rar |
大小:204 |
2009-06-29
张艳
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基于标准0.6umCMOS 工艺，设计依据在亚阈值区工作的一阶温度补偿电路，采用VPTAT 电压驱动曲率校正电路，对一阶温度补偿电路进行高阶温度补偿，获得了一种电路结构简单，性能较好的带隙基准源。经过Hspice 仿真，仿真结果表明电路可以在-10－150 °C 范围内，平均温度系数约9.9ppm/oC；工作电压为1.4V。该带隙基准源可应用于高精度模数转换器（ADC）、数模转换器（DAC）和系统集成芯片（SOC）中。
关键词：带隙基准源；曲率校正；温度系数；VPTAT
Abstract：The design of curvature correction temperature compensation bandgap reference circuit.Using the PTAP voltage as a curvature voltage,which is fabricated with 0.6um CMOS technology. Reference was simulated by Hspice. It has a average temperature coefficient of 9.9ppm/oC between -10 to 150 oC ,and the supply voltage 1.4V.
Keywords：Bandgap Reference ; Curvature Correction; TC; VPTAT
关键词：带隙基准源；曲率校正；温度系数；VPTAT
Abstract：The design of curvature correction temperature compensation bandgap reference circuit.Using the PTAP voltage as a curvature voltage,which is fabricated with 0.6um CMOS technology. Reference was simulated by Hspice. It has a average temperature coefficient of 9.9ppm/oC between -10 to 150 oC ,and the supply voltage 1.4V.
Keywords：Bandgap Reference ; Curvature Correction; TC; VPTAT
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