지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The charge redistribution digital-to-analog converter(CR-DAC) is often used for successive approximation register analog-to-digital converter(SAR ADC) that requiring low power consumption and small circuit area. However, CR-DAC is required 2 to the power of N unit capacitors to generate reference voltage for successive approximation of the N-bit SAR ADC, and many unit capacitors occupy large circuit area and consume more power. In order to improve this problem, this paper proposes SAR ADC using series capacitor DAC. The series capacitor DAC is required 2(1+N) unit capacitors to generate reference voltage for successive approximation and charges only two capacitors of the reference generation block. Because of these structural characteristics, the SAR ADC using series capacitor DAC can reduce the power consumption and circuit area. Proposed SAR ADC was designed in CMOS 180nm process, and at 1.8V supply voltage and 500kS/s sampling rate, proposed 6-bit SAR ADC have signal-to-noise and distortion ratio(SNDR) of 36.49dB, effective number of bits(ENOB) of 5.77-bit, power consumption of 294uW.
목차
Abstract
1. 서론
2. 전하 재분배 DAC를 이용한 축차 비교형 ADC
3. 제안하는 구조의 축차 비교형 ADC
4. 모의실험 결과
5. 결론
References
참고문헌 (14)
참고문헌 신청
Qianying Tang / 2018 / Physical Unclonable Function based on Capacitor Mismatch in a Charge-Redistribution SAR-ADC / 2018 IEEE International Symposium on Circuits and Systems (ISCAS) :1~5
Yusuke Tsukamoto / 2016 / High Power Efficient and Scalable Noise-Shaping SAR ADC for IoT Sensors / 2016 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK) :1~2
Ming Ding / 2018 / A Circuit-Design-Driven Tool With a Hybrid Automation Approach for SAR ADCs in IoT / 2018 Design, Automation & Test in Europe Conference & Exhibition (DATE) :672~675
Khuram Shehzad / 2017 / Low-Power 10-Bit SAR ADC using Class-AB type Amplifier for IoT Applications / 2017 International SoC Design Conference (ISOCC) :224~225
Hao-Chiao Hong / 2018 / A 0.20-V to 0.25-V, SubnW, Rail-to-Rail, 10-Bit SAR ADC for Self-Sustainable IoT Applications / 2018 IEEE International Symposium on Circuits and Systems (ISCAS) :1~4
Yusuke Tsukamoto / 2016 / High Power Efficient and Scalable Noise-Shaping SAR ADC for IoT Sensors / 2016 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK) :1~2
Ming Ding / 2018 / A Circuit-Design-Driven Tool With a Hybrid Automation Approach for SAR ADCs in IoT / 2018 Design, Automation & Test in Europe Conference & Exhibition (DATE) :672~675
Khuram Shehzad / 2017 / Low-Power 10-Bit SAR ADC using Class-AB type Amplifier for IoT Applications / 2017 International SoC Design Conference (ISOCC) :224~225
Hao-Chiao Hong / 2018 / A 0.20-V to 0.25-V, SubnW, Rail-to-Rail, 10-Bit SAR ADC for Self-Sustainable IoT Applications / 2018 IEEE International Symposium on Circuits and Systems (ISCAS) :1~4
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UCI(KEPA) : I410-ECN-0101-2019-560-000314552