https://scholars.lib.ntu.edu.tw/handle/123456789/633742
標題: | A PVT-Invariant Front-End Ring Amplifier using Self-Stabilization Technique for SAR ADC | 作者: | Chen, Chi Wei Su, Chien Yu HSIN-SHU CHEN |
關鍵字: | PVT variation | ring amplifier | SAR ADC | self-stabilization technique | sensor applications | 公開日期: | 1-一月-2022 | 卷: | 2022-May | 來源出版物: | Proceedings - IEEE International Symposium on Circuits and Systems | 摘要: | This paper proposes a ring amplifier with a self-stabilization technique (SST) against PVT variation. It can significantly alleviate the risk of the instability issue, which is particularly problematic in the front-end design. This technique automatically adjusts the dead-zone voltage ({V}-{DZ}) according to the output voltage ringing magnitude directly. With the technique, the ring amplifier can find a suitable dead-zone voltage with minimal accuracy degradation even in a wide PVT range without adding a complex control circuit or algorithm. This technique is applied on a ring amplifier with 10-bit SAR (Successive-Approximation) ADC, and both are implemented in the 40-nm CMOS process. According to the measurement results, 51.43 dB SNDR, 60.24 dB SFDR, and 8.25-bit at 500ksps are achieved while consuming 36 muW. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/633742 | ISBN: | 9781665484855 | ISSN: | 02714310 | DOI: | 10.1109/ISCAS48785.2022.9937223 |
顯示於: | 電機工程學系 |
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