Folded R-2R ladder current-steering digital to analog converter

A folded R-2R ladder current-steering digital-to-analog converter is disclosed. In the folded R-2R ladder current-steering digital-to-analog converter, each node in the R-2R ladder is electrically coupled with a plurality of current sources with different weights. Therefore, the numbers of the resis...

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Bibliographische Detailangaben
Hauptverfasser: Lu, Nan-Ku, Chen, Chun-Chieh, Lin, Kai-Yao, Zeng, Yi-Zhi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A folded R-2R ladder current-steering digital-to-analog converter is disclosed. In the folded R-2R ladder current-steering digital-to-analog converter, each node in the R-2R ladder is electrically coupled with a plurality of current sources with different weights. Therefore, the numbers of the resisters and current sources can be reduced, and efficient power saving and the high-speed operation can be achieved.