UM
0.45-V 5.4-nW switched- capacitor bandgap reference with intermittent operation and improved supply immunity
Luo, Ziyang; Lu, Yan; Martins, Rui P.
2018-10-04
Source PublicationELECTRONICS LETTERS
ISSN0013-5194
Volume54Issue:20Pages:1154-1155
AbstractSwitched-capacitor networks have been used as bandgap references (BGRs) to replace the area-consuming resistors in ultra-low power applications, incorporated with voltage doubler (2X) charge pumps to operate at low supply voltages. However, the open-loop charge pumps are sensitive to supply and load variations. Therefore, in this work, constant bias currents are added to the cross-coupled 2X charge pumps to reduce the supply sensitivity, and also to reduce the output ripples without using large capacitors. To further reduce the power consumption, a low-leakage sample and hold (S& H) circuit is used for an intermittent operation, the active/idle duty ratio of the BGR core is 1/15. Designed in standard 65 nm CMOS, the proposed BGR reaches a temperature coefficient of 64 ppm/degrees C consuming only 5.4 nW with a minimum supply of 0.45 V (simulated).
DOI10.1049/el.2018.5524
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000445746500005
PublisherINST ENGINEERING TECHNOLOGY-IET
The Source to ArticleWOS
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Citation statistics
Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Luo, Ziyang,Lu, Yan,Martins, Rui P.. 0.45-V 5.4-nW switched- capacitor bandgap reference with intermittent operation and improved supply immunity[J]. ELECTRONICS LETTERS,2018,54(20):1154-1155.
APA Luo, Ziyang,Lu, Yan,&Martins, Rui P..(2018).0.45-V 5.4-nW switched- capacitor bandgap reference with intermittent operation and improved supply immunity.ELECTRONICS LETTERS,54(20),1154-1155.
MLA Luo, Ziyang,et al."0.45-V 5.4-nW switched- capacitor bandgap reference with intermittent operation and improved supply immunity".ELECTRONICS LETTERS 54.20(2018):1154-1155.
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