Top-Down, Constraint-Driven Methodology Based Generation of n-bit Interpolative Current Source D/A ConvertersAbstract:To accelerate the design cycle for analog circuits and mixed-signal systems, we have proposed a top-down, constraint-driven design methodology. In this paper we present a design which demonstrates the two principal advantages that this methodology provides-- a high probability for first silicon which meets all specifications and fast design times. We examine the design of three different 10-bit digital-to-analog (D/A) converters beginning from their performance and functional specifications and ending with the testing of the fabricated parts. Critical technology mismatch information gathered from the testing phase is provided.Download a Compressed Postscript version of this paper.
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