Abstract
A pipeline analog-to-digital converter architecture can reduce the differential nonlinearity (DNL) with a swapping technique without involving special calibration techniques. An implementation of the overrange stages in the analog pipeline suitable for high-speed applications is proposed. A 14-bit 5-MSample/s converter has been fabricated in a double-poly 0.5-/spl mu/m CMOS process. The 3.3/spl times/3.3 mm/sup 2/ chip dissipates 320 mW from a single 5 V supply and achieves a signal-to-noise ratio of 79 dB, a dynamic range of 82 dB, and a DNL below 0.4 LSB.
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