DAC_with_level_shifted_output

Published:2009/7/25 5:30:00 Author:Jessie | From:SeekIC

Figure 9-33 shows a DAC0830 operated with the output level shifted. The shift is made by summing a fixed current to the DAC current-output terminal, offsetting the output voltage to the op amp. The applied reference voltage then serves as the output-span controller and is added (in fractions) to the output as a function of the applied digital code. NATIONAL SEMICONDUCTOR, APPLICATION NOTE 271, 1994, P. 665.



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