Impedance Targets for ADC and DAC Power Supply Rails

UltraScale Architecture PCB Design User Guide (UG583)

Document ID
UG583
Release Date
2023-11-14
Revision
1.27 English

The decoupling capacitor guidelines specified in Appendix A and Appendix C are designed to decouple from approximately 100 kHz to 15 MHz. Impedance targets vary between devices depending on how many ADC/DAC channels are used.