Can DAC2902 realize this function? A high speed DAC is required to realize it.
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Jingtai,
The single-ended configuration may be considered for applications requiring a unipolar output voltage.
Connecting a resistor from either one of the outputs to ground will convert the output current into a
ground-referenced voltage signal. To improve on the dc linearity by maintaining a virtual ground, an I-to-V
or op amp configuration may be considered. Also see Figures 22 and 23 of the data sheet for more information.
In regards to your exact application, I would suggest purchasing a DAC2902EVM and giving this a try.
Regards,
Jim