Wideband Comp Current Output DAC to SE Interface: Impr Matching for Gain & Compliance Volt Swing
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- Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A)
(PDF 2211 KB)
08 May 2015
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High-speed digital-to-analog converters (DACs) most often use a transformer-coupled output stage. In applications where this configuration is not practical, a single op amp differential to single-ended stage has often been used. This application note steps through the exact design equations required to achieve gain matching from each output as well as a matched input impedance to each of the DAC current outputs. An example high-speed design is shown in the attached document.