SAR

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A 77-dB DR Two-Stage SAR ADC for Low-Gain Analog Front-Ends Using Asynchronous Pipelining and RC Snubber Reference Stabilization

A 77-dB DR Two-Stage SAR ADC for Low-Gain Analog Front-Ends Using Asynchronous Pipelining and RC Snubber Reference Stabilization 150 150
Author(s): Jun Feng, Rares Bodnar, Roberto Maurino, Marcel J. M. Pelgrom, Filip Tavernier

Abstract:

The analog front-end (AFE) often bottlenecks the power of modern receiver chains, burdened by the large-signal linearity required before the ADC. This work introduces a 77-dB DR, 200-MS/s two-stage SAR ADC that can alleviate much of this burden by offering a significantly lower input-referred noise (IRN) to enable low-gain …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 11
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3686660
Publisher: IEEE

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

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

Abstract:

This letter presents a power-efficient hybrid ADC architecture: a low-resolution continuous-time (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 (DCD FB) provides a …

Published in: IEEE Solid-State Circuits Letters
Page(s): 61 – 64
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3656180
Publisher: IEEE

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