Analysis of the averaging technique in flash ADCs

被引：0
|
作者：
Figueiredo, PM [1 ]
Vital, JC [1 ]
机构：
[1] ChipIdea Microelect SA, P-2780920 Oporto, Portugal
来源：
PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL I: ANALOG CIRCUITS AND SIGNAL PROCESSING | 2003年
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The averaging technique is used in flash analog-to-digital converters to reduce non-linearities resulting from random offset voltages of the pre-amplifiers, which stand before the comparators. The main contribution of this paper is to provide further insight into this technique through exact closed form expressions obtained for the output voltage, gain and offset in averaged pre-amplifiers. The results obtained from these expressions are compared with HSPICE simulations, and a very good agreement is found.
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页码：849 / 852
页数：4
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