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An Intrinsically PVT Robust 10-bit 2.6-GS/s Dynamic Pipelined ADC with Dual-Path Time-Assisted Residue Generation Scheme | |
Hao, Junyan1,2; Zhang, Minglei3; Liu, Zijian3; Zhang, Yanbo2; Liu, Shubin2; Zhu, Zhangming2; Zhu, Yan3; Martins, Rui P.3,4; Chan, Chi Hang3 | |
2024-12-04 | |
Source Publication | IEEE Journal of Solid-State Circuits |
ISSN | 0018-9200 |
Abstract | This article presents a single-channel 10-bit pipelined analog-to-digital converter (ADC) with a dual-path time-assisted residue generation (TARG) technique running at 2.6 GS/s. A voltage-to-time converter (VTC) driving a current-integrating capacitor array through a time pulse facilitates the inter-stage residue amplification, which decouples the constraint between linearity and speed of the residue generation. The time residue path shortens the residue generation period with a lower linearity requirement and quantizes 4 bits simultaneously, speeding up the sub-stage ADC conversion; the voltage residue path achieves a dedicated inter-stage gain with high linearity and relaxed timing, suppressing noise of its subsequent stages. Furthermore, the inherent complementation characteristic of the voltage-time-voltage (V-T-V) conversion in the TARG scheme makes the prototype ADC intrinsically robust to process, voltage, and temperature (PVT) variations. Fabricated in a 28-nm CMOS process, the 2.6-GS/s pipelined ADC achieves a 51.4-dB signal-to-noise and distortion ratio (SNDR) and a 71.0-dB spurious-free dynamic range (SFDR) with a Nyquist input at a 0.9-V power supply, exhibiting a Walden figure-of-merit of 17.6 fJ/conversion-step. The SNDR varies by 1.25 and 1.55 dB across a supply variation of ± 5% and a temperature range of-40°C to 85°C, respectively. |
Keyword | Analog-to-digital Converter (Adc) Parallel Quantization And Amplification Pipelined Adc Time-domain (Td) Adc Voltage-to-time Converter (Vtc) |
DOI | 10.1109/JSSC.2024.3507915 |
URL | View the original |
Indexed By | SCIE |
Language | 英語English |
WOS Research Area | Engineering |
WOS Subject | Engineering, Electrical & Electronic |
WOS ID | WOS:001371981700001 |
Publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 |
Scopus ID | 2-s2.0-85211457060 |
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Citation statistics | |
Document Type | Journal article |
Collection | INSTITUTE OF MICROELECTRONICS DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING |
Corresponding Author | Zhang, Minglei |
Affiliation | 1.University of Macau, State Key Laboratory of Analog and Mixed-Signal VLSI, Department of Electrical and Computer Engineering, Faculty of Science and Technology, Institute of Microelectronics, 999078, Macao 2.Xidian University, Key Laboratory of Analog Integrated Circuits and Systems, Ministry of Education, School of Integrated Circuits, Xi'an, 710071, China 3.University of Macau, State Key Laboratory of Analog and Mixed Signal VLSI, Institute of Microelectronics, Department of Electrical and Computer Engineering, Faculty of Science and Technology, 999078, Macao 4.Universidade de Lisboa, Instituto Superior Técnico, Lisbon, 1049-001, Portugal |
First Author Affilication | Faculty of Science and Technology |
Corresponding Author Affilication | Faculty of Science and Technology |
Recommended Citation GB/T 7714 | Hao, Junyan,Zhang, Minglei,Liu, Zijian,et al. An Intrinsically PVT Robust 10-bit 2.6-GS/s Dynamic Pipelined ADC with Dual-Path Time-Assisted Residue Generation Scheme[J]. IEEE Journal of Solid-State Circuits, 2024. |
APA | Hao, Junyan., Zhang, Minglei., Liu, Zijian., Zhang, Yanbo., Liu, Shubin., Zhu, Zhangming., Zhu, Yan., Martins, Rui P.., & Chan, Chi Hang (2024). An Intrinsically PVT Robust 10-bit 2.6-GS/s Dynamic Pipelined ADC with Dual-Path Time-Assisted Residue Generation Scheme. IEEE Journal of Solid-State Circuits. |
MLA | Hao, Junyan,et al."An Intrinsically PVT Robust 10-bit 2.6-GS/s Dynamic Pipelined ADC with Dual-Path Time-Assisted Residue Generation Scheme".IEEE Journal of Solid-State Circuits (2024). |
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