Hello Analog Devices Support Team,
I am currently working with the AD9689-2000EBZ ADC evaluation board together with the ADS7-V2EBZ data capture board and have several questions regarding the clocking setup and general board documentation.
Our primary question is whether it is principally possible to operate the two evaluation boards without an external clock source, at least for initial bring-up and testing purposes.
At a later stage, an external high-quality clock will be used; however, for now we would like to understand whether:
-
a clock can be generated or configured on the ADC itself, or
-
a clock source is provided or configurable on either of the evaluation boards (e.g., via onboard oscillators, FPGA-generated clocks, or clock routing options).
At this point, the question is not about performance, under-sampling, or signal quality, but purely whether a clock signal exists, can be enabled, or can be configured somewhere in the setup.
In addition, we are missing detailed documentation for the evaluation boards themselves. While datasheets for the chips (e.g., AD9689) are available, we could not find comprehensive documentation describing:
-
the clock architecture of the evaluation boards,
-
the function and default configuration of the jumpers on the ADC board, and
-
how these jumpers affect clocking, reference selection, or board operation in general.
The available manuals mainly state which jumpers should be populated or not, but do not explain their purpose or underlying signal routing. A schematic, jumper description table, or full evaluation board datasheet for either (or ideally both) boards would be extremely helpful.
To summarize, we are looking for:
-
Confirmation whether standalone operation (without external clock) is possible in principle.
-
Documentation explaining the jumper settings and overall clocking setup.
-
Any available datasheets or schematics for the AD9689-2000EBZ and ADS7-V2EBZ evaluation boards.
Thank you very much for your support.
Best regards
