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DAC5670-SP: The input clock of the DAC5670

huang yu
Prodigy 80 points
Other Parts Discussed in Thread: DAC5670-SP

From the datasheet of the DAC5670-SP ,I find that the input clock interface "DACCLK_P/N" of the DAC5670 is LVPECL.

I have a question i can not determine.I use 2 pieces of DAC5670-SP ,use the same clock as DAC570s' sample clock. I use the chip ADF4351 to genrate clock  ,added a buffer as the input of 2 pieces of chip  DAC5670-SP's  "DACCLK_P/N" .But the differential output clock is sine wave.  However the input clock interface "DACCLK_P/N" of the DAC5670-SP is LVPECL. What should i do ? Or use the clock chip of TI is ok !