Does the AD9249 have built-in test modes?
The AD9249 includes a built-in test feature designed to enable verification of
the integrity of each data output channel, as well as to facilitate board level
debugging. Various output test options are provided to place deterministic,
pseudorandom, or user-defined pattern values on the outputs of the AD9249. When
an output test mode is enabled, the analog section of the ADC is disconnected
from the digital back-end blocks and the test pattern is run through the output