Abstract | ||
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The linearity of the vast majority of the ADC topologies is limited by the linearity of the employed circuit elements, e.g. resistors and capacitors. This paper presents a 9-b charge-mode SAR ADC that uses only very nonlinear MOSCAPs as the DAC capacitance elements and still presents 67 dB of SFDR. The track-and-hold exploits the routing parasitics as the sampling capacitance, entirely obviating MOM capacitors in the design. The circuit employs local voltage boosting and a new boost-and-bootstrap switch in order to allow operation under 0.4 V of supply voltage. Still, the ADC topology achieves a differential input swing of 1.6 V-pp, which is four times the supply voltage. The 0.13-mu m CMOS prototype achieves an ENOB of 8.01 at 300 kSps while consuming 354 nW. The corresponding FoM is 4.57 fJ/conversion-step. |
Year | Venue | Field |
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2015 | Proceedings of the European Solid-State Circuits Conference | Computer science,Electronic engineering,Successive approximation ADC,Electrical engineering,Swing |
DocType | ISSN | Citations |
Conference | 1930-8833 | 1 |
PageRank | References | Authors |
0.38 | 5 | 2 |
Name | Order | Citations | PageRank |
---|---|---|---|
Taimur Gibran Rabuske | 1 | 28 | 6.53 |
Jorge R. Fernandes | 2 | 154 | 34.16 |