Digital correlation technique for the estimation and correction of dac errors in multibit mash ΔΣ ADCs

被引：0
|
作者：
Wang, X [1 ]
Moon, U [1 ]
Liu, M [1 ]
Temes, GC [1 ]
机构：
[1] Oregon State Univ, ECE Dept, Corvallis, OR 97330 USA
来源：
2002 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL IV, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A fully digital algorithm is described for acquiring and correcting the errors of the feedback DAC used in a multibit DeltaSigma MASH ADC. The method operates in the background and is highly accurate. It is particularly useful for wideband ADCs, where mismatch error shaping becomes ineffective. Combined with an improved digital adaptive compensation technique, which greatly reduces the raw quantization leakage in MASH architecture, it makes the design of fast and accurate ADCs using inaccurate components possible.
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页码：691 / 694
页数：4
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