Digital/analog converter

The present invention can reduce the size of the IC at the same time to process the signal of more than 10 bit resolution by using a digital / analog converter of the present invention relates to a digital / analog converter, 8-bit, that a user can quickly print the desired voltage there is an advantage. D / A converter according to the present invention, the divided voltage generating unit for dividing the voltage of the reference voltage source by the voltage division; A decoder unit for outputting a decoded from a digital signal input to the selection signal; The first divided voltage selection unit for selecting on the basis of the signal output from the decoder section selecting and outputting the divided plurality of divided voltages of the voltage generated by the divided voltage generation section; Second divided voltage selection unit for selecting on the basis of the signal output from the decoder unit of the first selecting a plurality of the divided voltage of the divided voltage output from the divided voltage to the output selecting unit; Wherein the divided voltage storage unit to charge and discharge a plurality of the divided voltage output from the two divided voltage selector; The third divided voltage selection unit for selecting on the basis of the signal output from the decoder section selects a predetermined voltage from the divided voltage which is discharged from the divided voltage storage unit; And the voltage output unit for outputting the first predetermined voltage selected from a third divided voltage selector; includes. D / A converter, the divided voltage storing unit, the divided voltage selection unit, miniaturization