6GS/s 8通道CIC SAR TI-ADC与神经网络校准

ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (ESSCIRC) Pub Date : 2022-09-19 DOI:10.1109/ESSCIRC55480.2022.9911287

Evelyn Ware, Justin M. Correll, Seungjong Lee, Michael J. Flynn

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引用次数: 1

摘要

本文介绍了一种面积高效的时间交错电荷注入单元SAR ADC。原型TI-ADC交织8个CIC SAR通道，采样率为6Gs/s，紧凑面积为0.0060Smm2。采用神经网络校正算法对时间交错ADC中的多个误差源进行校正。神经校正方法有效地将TI-ADC的平均ENOB测量值从4.1位提高到5.49位。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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6GS/s 8-channel CIC SAR TI-ADC with Neural Network Calibration

In this paper we introduce an area efficient time-interleaved charge-injection-cell SAR ADC. The prototype TI-ADC interleaves 8 CIC SAR channels for a sampling rate of 6Gs/s and a compact area of 0.0060Smm2. A neural network calibration algorithm corrects multiple error sources in the time-interleaved ADC. The neural calibration method effectively improves the average measured ENOB of the TI-ADC from 4.1 bits to 5.49 bits.

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ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (ESSCIRC)

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