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ISSCC 2014Session 22 · HIGH-SPEED DATA CONVERTERSData Converters

A 2.2GS/s 7b 27.4mW Time-Based Folding-Flash ADC with Resistively Averaged Voltage-to-Time Amplifiers

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📋 论文概要

提出一种基于时间域的折叠-闪存ADC,采用电阻平均电压-时间放大器,在保持高采样率的同时降低比较器数量,从而减小面积和功耗。该ADC实现了2.2GS/s、7位分辨率、27.4mW功耗。

💡 主要创新点

核心指标
2.2GS/s 7b 27.4mW
重要性
发表年份
ISSCC 2014

🏷 关键词

时间域折叠-闪存ADC电压-时间放大器电阻平均高速ADC低功耗

📄 原文摘要

as 60GHz receivers, serial links, and high-density disk drive systems. Flash architectures have the highest conversion rate without employing time interleaving. Moreover, flash architectures have the lowest latency, which is often required in feedback-loop systems. However, the area and power consumption are exponentially increased by increasing the resolution since the number of comparators must be 2N. A folding architecture is a well-known technique to reduce the number of comparators in an ADC while maintaining high sampling rate and low latency [1,2]. Folding architectures were previously realized by generating a number of zero crossings with folding amplifiers. However, the conventional folding amplifiers consume a large amount of power

👥 作者与机构

Masaya Miyahara, Ibuki Mano, Masaaki Nakayama,

Kenichi Okada, Akira Matsuzawa Tokyo Institute of Technology, Tokyo, Japan High-speed low-resolution ADCs are widely used for various applications, such

分类:Data Converters · 年份:ISSCC 2014