In my application I need multiple parts running at the same frequency but with independent control the phase of each part. Can you help?
If your requirement is 4 output channels or less, the AD9959 could be the quick solution. This part has 4 independent output channels. The AD9958 has two output channels. These devices are inherently synchronized because each channel share the same system clock.
If you need more output channels, these devices along with any other DDSs can be synchronized together.
The basic steps are:
1) Provide a coincident REF CLK to each device.
2) Have the SYNC_CLK (if applicable) between DDSs aligned.
3) Update the devices synchronously with IO_UPDATE.
For more specific detail, search the individual part number's data sheet, application notes, and possible Circuits From the Lab (CFL) documents.
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