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A 130 μW DAC for low-power video systems

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1 Author(s)
Nairn, D.G. ; Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, Ont.

A MOS transistor network, with reduced sensitivity to device mismatches, is used to implement a current-steering DAC for low-voltage applications. A prototype, implemented using a 1.2 μm CMOS process, achieved 7-bit resolution at sampling rates of up to 10 MS/s while drawing only 65 μA from a single 2-volt supply for a total power dissipation of only 130 μW. An improved buffering amplifier is expected to increase the speed and to improve the resolution to 8-bits

Published in:

Custom Integrated Circuits Conference, 1994., Proceedings of the IEEE 1994

Date of Conference:

1-4 May 1994