Selecting op amps for precision 16-bit DACs
Kevin R. Hoskins, Jim Brubaker and Patrick Copely
Abstract
The selection of op amps for precision 16-bit digital-to-analog converters is discussed.
Keywords
Digital-to-analog converter
op amp
LTC1597
The LTC1597 16-bit current output DAC offers a new level of accuracy and cost efficiency. It has exceptionally high accuracy and low drift: ±1LSB (max) INL and DNL over temperature. It eliminates costly external resistors in bipolar applications because it includes tightly trimmed, on-chip 4-quadrant resistors. To help achieve the best circuit DC performance, this design note offers two sets of easy-to-use design equations for evaluating an op amp’s effects on the DAC’s accuracy in ...
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