Digital_potentiometer_with_composite_amplifier

Published:2009/7/25 5:26:00 Author:Jessie | From:SeekIC

Figure 9-32 shows a DAC1208 connected as a digital pot with improved characteristics (over those of the Fig. 9-31 circuit). The Fig. 9-32 circuit combines the excellent dc input characteristics of the classic LM11 with the fast response of a LF351 (a combination bipolar device). NANONAL SEMICONDUCTOR, APPLICATION NOTE 271, 1994, P. 665.



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