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A 10-bit 70 MHz 3.3 V CMOS 0.5 μm D/A converter for video applications

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2 Author(s)
A. Fraval ; Thomson Consumer Electron. Components, Meylan, France ; F. Dell'ova

A 10-bit D/A converter with differential current outputs is presented. Special care was taken to minimize the output glitch energy and the linearity errors, considering the 1.5 V output range under a 3.3 V voltage supply. A current cell with biased switches, thermometer decoding and a shuffle in the physical layout of the cells enabled to achieve the following performances. The integral and differential linearity errors INL and DNL are within +/-1.5 LSB and +/-0.5 LSB respectively. The maximal glitch energy is 60 pV.S. The device dissipates 46 mW at 70 MHz clock rate and full-scale output swing. The D/A converter has been developed in a CMOS 0.5 μm technology. The active chip area is 0.4 mm2

Published in:

IEEE Transactions on Consumer Electronics  (Volume:41 ,  Issue: 3 )