带片上数字自校准的14-b 30MS/s 0.75mm2流水线ADC

Ho-Young Lee, Tae-Hwan Oh, Hojin Park, Hae-Seung Lee, M. Spaeth, Jae-Whui Kim
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引用次数: 5

摘要

介绍了一种14-b 30 MS/s CMOS流水线ADC。为了便于数字校准,使用了一个简单的每级1-b冗余架构。ADC完全集成了数字自校准,通过一个标志信号完成整个序列。该原型ADC采用90 nm数字CMOS工艺实现,经校准后可实现83.7 dB的SFDR和69.3 dB的SNDR。其有效面积为0.75 mm2,包括片上校准逻辑,在3.3 V和1.0 V电源下总功耗为106 mW。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A 14-b 30MS/s 0.75mm2 Pipelined ADC with On-Chip Digital Self-Calibration
A 14-b 30 MS/s CMOS pipelined ADC is presented. To facilitate digital calibration, a simple 1-b per stage architecture with redundancy is used. The ADC fully integrates digital self-calibration, which performs overall sequence by one flag signal. Implemented in a 90 nm digital CMOS process, the prototype ADC achieves 83.7 dB SFDR and 69.3 dB SNDR with calibration. Its active area is 0.75 mm2 including the on-chip calibration logic and the total power consumes 106 mW with 3.3 V and 1.0 V supply.
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