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A continuous-time 5b /spl Sigma//spl Delta/ audio DAC operates at 5.65MS/s (128f/sub s/). SFDR of -115dB and noise of -119dB (unweighted) are achieved by realtime DEM that cancels mismatch completely in each sample. Chip area is 2mm/sup 2/ in a 0.18/spl mu/m, thick oxide 3.3V CMOS process. Total power consumption is 150mW.
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