AD5328 stops converting after some time problem

I tried turning LDAC on and off, and turning unused DAC channels on and off. I also tried turning buffering on and off. The result was the same: after a certain amount of time (which varied), the chip stopped responding to SPI commands.

Hi ozoni 

What is the last command sent before it stopped responding to SPI commands?
Can you also provide a schematic of the AD5328 so we can assess it as well?

Thank you.

The commands I sent in the screenshot are constantly sent to the AD5328ARUZ at a frequency of 100ms. Only the values on the channel change. 

I have also attached the AD5328 circuit diagram. Next, the DAC outputs go to the comparators through 3k resistors

last command sent before it stopped responding to SPI commands:

There are also missing chip kiddies.

Here's what it looks like up close. In one screenshot, the setting is being executed, but in the next screenshot, it's no longer there

The problem was solved by installing 100pf capacitors between all data lines and ground.