A 5-bit 1-GS/s flash-ADC in 0.13-μm CMOS using active interpolation

被引:0
|
作者
Viitala, Olli [1 ]
Lindfors, Saska [1 ]
Halonen, Kari [1 ]
机构
[1] Aalto Univ, Elect Circuit Design Lab, POB 3000, FIN-02015 Helsinki, Finland
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中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This work presents a 5-bit 1-GS/s flash-ADC in 0.13-mu m CMOS technology. An active interpolation topology is used in the comparator inputs to reduce power consumption and input capacitance of the converter. Operating at 1.056-GS/s the ADC consumes 46 mW of power from a 1.2 V supply and provides an ENOB of 4.73 bits and an SFDR of 43.2 dBc at a signal frequency of 102 MHz. The ADC has an ERBW of 470 MHz and a FoM of 1.8 pJ/convstep. Area consumption for the converter is 0.2 mm(2).
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页码:412 / +
页数:2
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