hi.. My custom made board for AD9548 is heating up. please help me what could I have done wrong.. (soldering and component placing is good).power supply is also good. can any one verify my schematic ?
you did not attach any schematic. Please follow (copy) the evaluation board schematic.
How did you measure the heating to know it is bad? The data sheet lists max 1.4 W dissipation with all blocks running in certain conditions. See this table:
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