I design in ADG772BCPZ for portable USB storage application with SATA controller ASM1153E
customer takes his own product to do USB 2.0 480Mbps test in certification lab, but the eye diagram is fail.
After fail, customer provide ADG772 EVB to lab re-test. ADI EVB is test fail, too.
customer provide ADG772 EVB condition, and eye diagram as below.
please kindly give me some of suggestion.