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238000004519 manufacturing process Methods 0.000 description 1.238000006011 modification reaction Methods 0.000 description 2.Assignors: CHIU, KWOK-FU Application granted granted Critical Publication of US7791401B1 publication Critical patent/US7791401B1/en Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by National Semiconductor Corp filed Critical National Semiconductor Corp Priority to US12/028,670 priority Critical patent/US7791401B1/en Assigned to NATIONAL SEMICONDUCTOR CORPORATION reassignment NATIONAL SEMICONDUCTOR CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee National Semiconductor Corp 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.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US12/028,670 Inventor Kwok-Fu Chiu Current Assignee (The listed assignees may be inaccurate. Google Patents Adjustment of op amp offset voltage temperature coefficientĭownload PDF Info Publication number US7791401B1 US7791401B1 US12/028,670 US2867008A US7791401B1 US 7791401 B1 US7791401 B1 US 7791401B1 US 2867008 A US2867008 A US 2867008A US 7791401 B1 US7791401 B1 US 7791401B1 Authority US United States Prior art keywords current temperature coefficient offset voltage bjt coupled Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7791401B1 - Adjustment of op amp offset voltage temperature coefficient

US7791401B1 - Adjustment of op amp offset voltage temperature coefficient