A -100 dB Power Supply Rejection Ratio Non-bandgap Voltage Reference

HUANG Guocheng; YIN Tao; ZHU Yuanming; XU Xiaodong; ZHANG Yachao; YANG Haigang

doi:10.11999/JEIT151256

Volume 38 Issue 8

Sep. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(8): 2122-2128

HUANG Guocheng, YIN Tao, ZHU Yuanming, XU Xiaodong, ZHANG Yachao, YANG Haigang. A -100 dB Power Supply Rejection Ratio Non-bandgap Voltage Reference[J]. Journal of Electronics & Information Technology, 2016, 38(8): 2122-2128. doi: 10.11999/JEIT151256

Citation:

HUANG Guocheng, YIN Tao, ZHU Yuanming, XU Xiaodong, ZHANG Yachao, YANG Haigang. A -100 dB Power Supply Rejection Ratio Non-bandgap Voltage Reference[J]. Journal of Electronics & Information Technology, 2016, 38(8): 2122-2128. doi: 10.11999/JEIT151256

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A -100 dB Power Supply Rejection Ratio Non-bandgap Voltage Reference

doi: 10.11999/JEIT151256

Funds:

The National Natural Science Foundation of China (61474120), The National Key Basic Research Program of China (2014CB744600)

Received Date: 2015-11-09
Rev Recd Date: 2016-03-25
Publish Date: 2016-08-19

Abstract

Abstract

This paper presents a non-bandgap voltage reference, which contains a pre-regulated circuit with a super source follower. The pre-regulated circuit includes a super source follower, which attenuates the impedance from the supply of the core reference circuit to ground. In this way, the pre-regulated circuit provides a relative stable voltage for the core reference circuit, improving the Power Supply Rejection Ratio (PSRR) of the output voltage of the reference. The proposed reference circuit is implemented in standard 0.35 m CMOS process. Measured results show that the supply range is from 1.8 to 5 V and the quiescent current is only about 13 A at room temperature. The PSRR at low frequency achieves -100 dB and the PSRR below 1 kHz is better than -93 dB. The active area of the proposed reference is only 0.013 mm2.
- CMOS reference circuit,
- Non-bandgap reference circuit,
- Pre-regulated circuit,
- Super source follower,
- Power Supply Rejection Ratio (PSRR)

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References(18)

References

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