High performance class AB operational amplifier

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United States of America Patent

PATENT NO 8773202
APP PUB NO 20130088298A1
SERIAL NO

13562071

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Abstract

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A class AB operational amplifier includes an input stage, an output stage and a level shifter stage to control the quiescent current of the output stage and to transfer the signal from the input stage to the output stage, and a control circuit of the level shifter stage. The control circuit includes a transistor differential pair having a differential input terminals and the differential voltage at the differential terminals of the differential pair controls the level shifter stage.

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Patent Owner(s)

  • STMICROELECTRONICS (CROLLES 2) SAS;STMICROELECTRONICS S.R.L.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cavallaro, MarcoOrazio Catania, IT 2 4
Chiarillo, Tiziano Tremestieri Etneo, IT 8 53
Ramet, Serge Jarrie, FR 25 171

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