Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chih-Jen Yen0
Date of Patent
February 12, 2008
0Patent Application Number
112714250
Date Filed
November 9, 2005
0Patent Primary Examiner
Patent abstract
A digital-to-analog (D/A) conversion device including a data-latch unit, a D/A conversion unit and a gain amplifier is provided. Wherein, the amplitude of the supply voltages for the reference voltage of the D/A conversion unit is not greater than that of the data-latch unit so that the switches in a switch control unit of the D/A conversion unit can be fully turned on or off without using level-shift units. The output amplifier must have a gain to amplify the output signal of the D/A conversion unit to an expected voltage range.
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