US Patent 7548115 Common mode rejection ratio trim circuit and methodology
Patent 7548115 was granted and assigned to Linear Technology on June, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Hengsheng Liu0
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Patent abstract
An operational amplifier circuit includes an input differential circuit and a trim circuit for sensing the operational amplifier's input common mode voltage and generating an offset correction voltage in response thereto. The trim circuit reduces the amplifier's offset voltage dependence on input common mode voltage, and hence improves the common mode rejection ratio of the operational amplifier circuit.
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US Patent 07548115 Common mode rejection ratio trim circuit and methodology US Patent 7548115 Common mode rejection ratio trim circuit and methodology
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Patent Number
075481150
Patent Number
75481150
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Current Assignee
Patent Jurisdiction
Patent Number
075481150
Date of Patent
June 16, 2009
0Patent Application Number
115241970
Date Filed
September 21, 2006
0Official Website
Patent Primary Examiner
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US Patent 07548115 Common mode rejection ratio trim circuit and methodology
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07548115
Date of patent
June 16, 2009
Patent application number
11524197
Date Filed
September 21, 2006
Patent primary examiner
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