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New techniques for drift compensation in integrated differential amplifiers

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2 Author(s)

A technique is described for achieving low-voltage offset and thermal drift in a monolithic integrated differential amplifier. First order compensation is achieved, under severe restrictions, for a simple differential pair. An alternative balancing technique utilizes the linear combination of two equal and opposite drift characteristics to minimize drift from all sources. Drift values of /spl plusmn/0.12 /spl mu/V//spl deg/C over the temperature range 0 to 100/spl deg/C have been obtained.

Published in:

IEEE Journal of Solid-State Circuits  (Volume:3 ,  Issue: 4 )