PC and DACs generate two simple analog outputs

Posted on Aug 14, 2012

The simple and inexpensive circuit in Figure 1 generates two PC-controlled analog reference voltages. You supply a wall-adapter supply and a parallel connector, and the circuit is ready to run. The circuit uses two 12-bit AD7243 DACs, which require only one supply voltage. These converters also include internal references, minimizing the number of external components.

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