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An untrimmed D/A converter with 14-bit resolution

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6 Author(s)

Describes a monolithic 14-bit DAC which uses a new compensation technique for the DAC linearity, the `self-compensation technique', originated through a new concept. Since this technique automatically compensates for linearity error in the DAC by referring to a ramp function with about 17-bit linearity, a high precision DAC can be produced in monolithic form without the trimming of analog components. An experimental 14-bit DAC chip has been fabricated using analog compatible IIL technology and two-level metalization. A linearity error of less that /spl plusmn/1/2 LSB and a settling time of 1-2 /spl mu/s has been achieved.

Published in:

IEEE Journal of Solid-State Circuits  (Volume:16 ,  Issue: 6 )