Implementation of a Low TC High PSRR CMOS Bandgap Voltage Reference Circuit - Details

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Abstract：

In　this　paper,　a　new　low　temperature　coefficient　(TC)　high　power　supply　rejection　ratio　(PSRR)　bandgap　voltage　reference　is　presented　in　CMOS　technology.　In　order　to　achieve　low　TC　and　high　PSRR　voltage　reference　with　small　area　overhead　and　good　practicability,　the　proposed　circuit　uses　a　curvature　correction　method　based　on　sub-threshold　current　and　a　PSRR　enhancement　circuit.　When　the　power　supply　voltage　is　3.3V,　this　circuit　is　devised　and　verified　using　0.18pm　CMOS　process.　The　results　show　the　output　voltage　is　constant　at　1.247V　at　room　temperature.　The　output　voltage　range　is　0.674　mV　and　TC　is　3.029ppm/°C　in　a　wide　temperature　range　of　-55°C　to　125°C.　The　measured　PSRR　is　98.36dB　at　lKHz　and　more　than　-44.28　dB　at　1MHz.　©　2020　IEEE.

Keyword：

Threshold voltage Energy gap Integrated circuit manufacture CMOS integrated circuits Temperature Timing circuits Voltage measurement Analog integrated circuits Integrated circuit design

Author Community：

[ 1 ] [Peng, Xiaohong]Beijing University of Technology, College of Microelectronics, Beijing, China
[ 2 ] [Zhang, Zhe]Beijing University of Technology, College of Microelectronics, Beijing, China
[ 3 ] [Geng, Shuqin]Beijing University of Technology, College of Microelectronics, Beijing, China
[ 4 ] [Wang, Sen]Beijing University of Technology, College of Microelectronics, Beijing, China
[ 5 ] [Tang, Haonan]Beijing University of Technology, College of Microelectronics, Beijing, China
[ 6 ] [Wang, Yu]Beijing University of Technology, College of Microelectronics, Beijing, China
[ 7 ] [Nie, Fengjun]Beijing University of Technology, College of Microelectronics, Beijing, China

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Source ：

ISSN： 2163-5048

Year： 2020

Volume： 2020-October

Page： 90-93

Language： English

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 6

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 12

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