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#Op amp offset voltage compensation pdf

To achieve the objective, this invention provides a method for reducing offset voltage in an operational amplifier without the need for switched-capacitors, external offset-correction resistors, precise matching between the internal components of the operational amplifier or analog characterization of the fabrication process. H03F3/45753- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using a feedback circuit using switching means, e.g.H03F3/45748- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using a feedback circuit.H03F3/45744- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction.H03F3/45632- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit.H03F3/45479- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection.

H03F3/45071- Differential amplifiers with semiconductor devices only.

H03F3/00- Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements.

Assignors: NANDY, TAPAS, RATHORE, KIRTIMAN SINGH Application granted granted Critical Publication of US6859095B2 publication Critical patent/US6859095B2/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to IN81/DEL/2002 priority Critical Priority to IN81DE2002 priority Application filed by STMicroelectronics Pvt Ltd filed Critical STMicroelectronics Pvt Ltd Publication of US20030214351A1 publication Critical patent/US20030214351A1/en Assigned to STMICROELECTRONICS PVT. Original Assignee STMicroelectronics Pvt Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Tapas Nandy Kirtiman Rathore Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US10/356,650 Other versions US6859095B2

#Op amp offset voltage compensation pdf

Google Patents Non-switched capacitor offset voltage compensation in operational amplifiersĭownload PDF Info Publication number US20030214351A1 US20030214351A1 US10/356,650 US35665003A US2003214351A1 US 20030214351 A1 US20030214351 A1 US 20030214351A1 US 35665003 A US35665003 A US 35665003A US 2003214351 A1 US2003214351 A1 US 2003214351A1 Authority US United States Prior art keywords operational amplifier tap input voltage offset voltage Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Google Patents US20030214351A1 - Non-switched capacitor offset voltage compensation in operational amplifiers

US20030214351A1 - Non-switched capacitor offset voltage compensation in operational amplifiers