资料介绍
This article describes three options for interfacing the DS1859 Digitally Controlled Resistors to the MAX3735 Laser Driver. Included is a new technique using an op amp that gives a linear transfer function. It can be adjusted for any arbitrary current range. It can even generate currents larger than those flowing in the DS1859 potentiometer at minimum resistance. These techniques can be applied to other parts as well.
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