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A CMOS 4-bit MDAC with self-calibrated 14-bit linearity for high-resolution pipelined A/D converters

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3 Author(s)
Goes, J. ; IST Centre for Microsyst. Integrated Circuits & Syst. Group, Inst. Superior Tecnico, Lisbon, Portugal ; Vital, J.C. ; Franca, J.E.

This paper presents an integrated 4-bit MDAC for highspeed high-resolution pipelined ADCs which employs a code-by-code analogue self-calibration technique. Measured results from the prototypes fabricated in a 1.0 μm CMOS technology show that the proposed self-calibration technique corrects the MDAC linearity and the interstage gain to the 14-bit level, while allowing conversion rates in the MHz range

Published in:

Custom Integrated Circuits Conference, 1996., Proceedings of the IEEE 1996

Date of Conference:

5-8 May 1996