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《Microelectronics》 2009-01
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A Differential Voltage Reference Source with Digital Correction

ZHANG Zhengping1,2,WANG Chenghe1,WANG Yonglu1,2,ZHANG Jun'an1,2,ZHU Can1,2,SHEN Xiaofeng1(1.Sichuan Institute of Solid-State Circuits,China Electronics Technology Group Corp.,Chongqing 400060,P.R.China; 2.National Laboratory of Analog Integrated Circuits,Chongqing 400060,P.R.China)  
A practical differential voltage reference circuit was designed based on conventional bandgap reference source.The reference core was a current compensated circuit.D/A control technology was used for offset compensation and gain compensation of the differential reference voltage.The differential voltage reference source features lower temperature coefficient,wide dynamic range of voltage regulation and high precision in voltage regulation.
【CateGory Index】: TN432
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