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4 AD7606 parallel to FPGA

Hi, engineer!

At present, the project needs to connect four ad7606s in parallel to FPGA through parallel port. Do you have relevant hardware design reference?

The key issues are as follows:

1.how to arrange the AD7606s properly?

2. Multiple reference power supplies adr421 are required. Where should they be placed?

3.Does the parallel bus of ad7606s need daisy chain routing or star routing? Is the resistance matched in series?

Looking forward to your reply, thank you!

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