Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 15, 2011
Patent Application Number
12620965
Date Filed
November 18, 2009
Patent Primary Examiner
Patent abstract
An analog-to-digital converter is disclosed. An input signal processor sets a voltage of an input signal as an initial value of a signal voltage Vin, subtracts ½n of an input range from the nth (n is a positive integer) signal voltage based on a comparison result output from a comparator, and outputs the (n+1)th signal voltage. A reference voltage source outputs a reference voltage to be compared with the signal voltage output from the input signal processor, the reference voltage being obtained by repeatedly reducing by one half the input range. A comparator compares the signal voltage from the input signal processor with the reference voltage from the reference voltage source.
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