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Current Steering Digital-to-Analog Converters (CS-DAC) are important ingredients in many high-speed data converters. Various types of timing errors such as mismatch based timing errors limit broad-band performance. A framework of timing errors is presented here and it is used to analyze these errors. The extracted relationship between performance, block requirements and architecture (e.g segmentation) gives insight on design tradeoffs in Nyquist DACs and multi-bit current-based ΣΔ Modulators.
Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on (Volume:1 )
Date of Conference: 25-28 May 2003