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A1-μW 600-ppm/℃ Current Reference Circuit Consisting of Subthreshold CMOS Circuits
| Title: | A1-μW 600-ppm/℃ Current Reference Circuit Consisting of Subthreshold CMOS Circuits |
| Authors: | Ueno, Ken Browse this author | | Hirose, Tetsuya Browse this author | | Asai, Tetsuya Browse this author →KAKEN DB | | Amemiya, Yoshihito Browse this author →KAKEN DB |
| Keywords: | Complementary metal-oxide-semiconductor (CMOS) | | current reference | | power-aware large-scale integrations (LSIs) | | self-biasing circuit | | subthreshold region | | temperature dependence | | ultralow power | | weak inversion |
| Issue Date: | Sep-2010 |
| Publisher: | IEEE: Institute of Electrical and Electronics Engineers |
| Journal Title: | IEEE Transactions on Circuits and Systems II : Express Briefs |
| Volume: | 57 |
| Issue: | 9 |
| Start Page: | 681 |
| End Page: | 685 |
| Publisher DOI: | 10.1109/TCSII.2010.2056051 |
| Abstract: | A low-power CMOS current reference circuit was developed using a 0.35-μm standard CMOS process technology. The circuit consists of MOSFET circuits operating in the subthreshold region and uses no resistors. It compensates for the temperature effect on mobility μ and threshold voltage V_[TH] of MOSFETs and generates a reference current that is insensitive to temperature and supply voltage. Theoretical analyses and experimental results showed that the circuit generates a stable reference current of 100 nA. The temperature coefficient of the current was 520 ppm/℃ at best and 600 ppm/℃ on average in the range of 0 ℃-80 ℃. The line regulation was 0.2%/V in a supply voltage range of 1.8-3 V. The power dissipation was 1μW, and the chip area was 0.015 mm2. Our circuit would be suitable for use in subthreshold-operated power-aware large-scale integrations. |
| Rights: | © 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/44205 |
| Appears in Collections: | 情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 雨宮 好仁
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