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A 39.4mW 300MHz-BW 70.9dB-SNDR Hybrid ADC With Resistive Input and 200fs,rms-Jitter Tolerance

A 39.4mW 300MHz-BW 70.9dB-SNDR Hybrid ADC With Resistive Input and 200fs,rms-Jitter Tolerance 150 150
Author(s): Yanquan Luo, Mingtao Zhan, Yi Zhong, Nan Sun

Abstract:

This paper presents a power-efficient hybrid ADC architecture: a low-resolution CT Delta-Sigma modulator (DSM) followed by a time-interleaved pipeline stage which further quantizes the quantization noise of the DSM. In the frontend CT DSM, the resistive input makes the ADC easy-to-drive, and the direct-charge-dump feedback provides a high jitter-immunity; the …

Published in: IEEE Solid-State Circuits Letters
Page(s): 1 – 1
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3656180
Publisher: IEEE

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An 11.95-ENOB 560-MS/s Amplifier-Switching Subranging Analog-to-Digital Converter With Multi-Threshold Comparators

An 11.95-ENOB 560-MS/s Amplifier-Switching Subranging Analog-to-Digital Converter With Multi-Threshold Comparators 150 150
Author(s): Ritaro Takenaka, Tetsuya Iizuka

Abstract:

This article proposes a 14-bit, 560-MS/s subranging analog-to-digital converter (ADC) that employs an amplifier-switching architecture with multi-threshold comparators. The proposed amplifier-switching architecture reuses a flash quantizer multiple times during subranging conversion by amplifying the residue voltage with an appropriate gain at each quantization step. This approach reduces the required …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3647024
Publisher: IEEE

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