Rail-to-rail CMOS operational amplifier
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United States of America Patent
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-
Apr 9, 1991
Grant Date -
N/A
app pub date -
Oct 13, 1989
filing date -
Oct 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CMOS operational amplifier comprises an output gain stage including output transistors coupled between the rails so that for a given amount of current, the output transistors have rail-to-rail gate-to-source voltages. The output transistors can be made smaller in size with the output stage being capable of driving a small resistive load with minimal signal distortion.
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