Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2011
Patent Application Number
12389681
Date Filed
February 20, 2009
Patent Primary Examiner
Patent abstract
An integrated circuit device includes an amplifier circuit that includes first to Nth amplifiers that are cascaded and receives an input signal, an A/D converter that performs an A/D conversion process on a signal amplified by the amplifier circuit, first to Nth D/A converters that are provided corresponding to the first to Nth amplifiers and used to perform an offset adjustment of the first to Nth amplifiers, and a control circuit that sets an offset adjustment of the first to Nth amplifiers using the first to Nth D/A converters and a gain adjustment of the first to Nth amplifiers.
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