ZHOU Zhi-xing, LAI Qiang-tao, JIANG Yu, GUO Jiang-fei, WANG Cheng-long, CHEN Teng, GUO Gui-liang. A high PSRR bandgap reference[J]. Microelectronics & Computer, 2019, 36(5): 1-4, 9.
Citation: ZHOU Zhi-xing, LAI Qiang-tao, JIANG Yu, GUO Jiang-fei, WANG Cheng-long, CHEN Teng, GUO Gui-liang. A high PSRR bandgap reference[J]. Microelectronics & Computer, 2019, 36(5): 1-4, 9.
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A high PSRR bandgap reference

    Abstract
  • A power supply rejection ratio (PSRR) Bandgap reference was introduced. In order to improve the PSRR, this paper proposed a novel voltage stabilizing circuit based on an improved Wilson current mirror structure and feedback technology, which provides power and bias for bandgap reference. The results show that the bandgap reference featured a temperature coefficient of 15 ppm/℃ at a input voltage range from 3.5 V to 6V, a PSRR of -125 dB, -106 dB at direct-current, 1 kHz respectively.
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