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Volume 31 Issue 5
Dec.  2010
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Yuan Ting, Gong Wen-chao, He Le-nian. Design and Realization of a High Precision Low Temperature Coefficient Bandgap Voltage Reference[J]. Journal of Electronics & Information Technology, 2009, 31(5): 1260-1263. doi: 10.3724/SP.J.1146.2008.00223
Citation: Yuan Ting, Gong Wen-chao, He Le-nian. Design and Realization of a High Precision Low Temperature Coefficient Bandgap Voltage Reference[J]. Journal of Electronics & Information Technology, 2009, 31(5): 1260-1263. doi: 10.3724/SP.J.1146.2008.00223

Design and Realization of a High Precision Low Temperature Coefficient Bandgap Voltage Reference

doi: 10.3724/SP.J.1146.2008.00223 cstr: 32379.14.SP.J.1146.2008.00223
  • Received Date: 2008-02-27
  • Rev Recd Date: 2008-07-01
  • Publish Date: 2009-05-19
  • 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 Cadences Spectre software and implemented by using TSMC 0.35 m mixed-signal process. Simulation results indicate that the bandgap voltage reference has a temperature coefficient of 2.2 ppm/℃ in -40~125℃.
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