<正>A nanopower switched-capacitor CMOS sub-bandgap voltage reference has been implemented using a Chartered 035-μm 3.3-V/5-V dual gate mixed-signal CMOS process.The proposed circuit generates a precise sub-bandgap voltage of 1 V.The temperature coefficient of the output voltage is 13.4 ppm/℃with the temperature varying from -20 to 80℃.The proposed circuit operates properly with the supply voltage down to 1.3 V,and consumes 150 nA at room temperature.The line regulation is 0.27%/V.The power supply rejection ...
【英文摘要】
A nanopower switched-capacitor CMOS sub-bandgap voltage reference has been implemented using a Chartered 035-μm 3.3-V/5-V dual gate mixed-signal CMOS process.The proposed circuit generates a precise sub-bandgap voltage of 1 V.The temperature coefficient of the output voltage is 13.4 ppm/℃with the temperature varying from -20 to 80℃.The proposed circuit operates properly with the supply voltage down to 1.3 V,and consumes 150 nA at room temperature.The line regulation is 0.27%/V.The power supply rejection rat...
【基金】
Project supported by the National High Technology Research and Development Program of China(No2009AA011607)
【更新日期】
2011-04-26
【分类号】
TN432
【正文快照】
1 .IlltroduCtiotl The voltage referenee 15 an imPortant building bloek in all m ixed一signal systems to Provide a stable DC voltage that 15 in- sensitive to the variations of suPPly voltage and temPerature. In eonventional CMOS integrated systems，vertica
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