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AD9508 register settings for single ended CMOS output

Question asked by Bennertz on Feb 27, 2018
Latest reply on Mar 1, 2018 by Cman

Dear all,

 

I want to use output port OUT0P of the AD9508 as single ended CMOS. Reading the data sheet, I expect that I need to set the EN_CMOS_OP bit of register 0x1A to high.

What do I need to set in register 0x19? Is it "dont care" because the CMOS driver is enabled and "the
corresponding LVDS/HSTL driver is powered down and tristated", as stated in the CLOCK OUTPUTS section of the data sheet? Or do I need to select the OUT0 Mode in register 0x19 to be high-Z/CMOS?

Thanks for any help.

 

Regards

Bernhard

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