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AD9680 on AD-FMCADC4-EBZ runs very hot. Is it broken?

Question asked by prusso on Oct 13, 2017
Latest reply on Oct 22, 2017 by UmeshJ

I brought up the AD-FMCADC4-EBZ eval card, both booting from Linux and with the no-os firmware build on a ZC706 carrier. The first time I booted the FPGA into Linux, I was able to operate the analog devices scope software and saw that the ADC operated properly. However, I booted it a second time, and instead of seeing the "run" arrow on the scope, I see two buttons with exclamation marks. I also noticed that the AD9680s are extremely hot on this FMC card. All the test points on the AD-FMCADC4-EBZ are reading the expected voltages. Is there a thermal management issue on this eval card? What might be going wrong?

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