Fully-differential amplifier with input common-mode voltage control

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United States of America Patent

PATENT NO 11990879
APP PUB NO 20210351752A1
SERIAL NO

17316775

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Abstract

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A fully-differential amplifier (FDA) includes a core differential amplifier and a common-mode input voltage control circuit. The core differential amplifier includes differential inputs. The common-mode input voltage control circuit is coupled to the differential inputs. The common-mode input voltage control circuit is configured to generate an error signal as a difference of an input common mode voltage at the differential inputs and a target common mode input voltage (VICM); and to adjust the input common mode voltage to the VICM based on the error signal.

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Patent Owner(s)

Patent OwnerAddress
TEXAS INSTRUMENTS INCORPORATEDPO BOX 655474 MS 3999 DALLAS TX 75265

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Halbert, Joel Martin Tucson, US 11 10
Zhang, Xiyao Tucson, US 6 1

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