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DAC5670 input clock

lei gong
Intellectual 600 points
Other Parts Discussed in Thread: LMX2581

Hi Dean,

I have some questions about the input clock of the DAC5670(DACCLK_P/N).

1.Can the chip DAC5670  accept the LVDS clock (DACCLK_P/N) directly ?  What the datasheet said "Page 9. DACCLK_P/N Clock differential input voltage :200-1000mv;DACCLK_P/N Clock common mode:1.0-1.4v" is  consistent with the LVDS standard . But the page 21 said"The DAC5670 features differential,LVPECL compatible clock inputs (DACCLK_P, DACCLK_N)".

2.if i use the LMX2581 to generate clock for the DAC5670(DACCLK_P/N),what is the net i need to add between the output of the LMX2581 and the input of the DAC5670(DACCLK_P/N) ?For the output of the LMX2581 is sine wave ,but the "DACCLK_P/N" is digtal input.

Regards,

Lei