ADC32RF80: Synchronization of two ADC32RF80

Nick Pol

Part Number: ADC32RF80

If I set the same SYSREF and CLK signals for two ADC32RF80 and set one input signal to their RF inputs, can I get similar synchronous signals from ADC's outputs? Or their NCO phases wil not be the same and so phases of output signals will not be identical?

Thanks.

over 5 years ago

0 Satish Uppathil over 5 years ago

TI__Expert 3515 points

Hi,
In addition to provding the same sysref & CLK, you will have to match the trace length of these signals from their respective source to the ADCs. The NCOs are reset by the sysref forcing phase synchronicity. Please refer to the following for more information:
www.ti.com/.../sbaa221.pdf
www.ti.com/.../slyt628.pdf
Regards,
satish.

0 Nick Pol over 5 years ago in reply to Satish Uppathil

Prodigy 160 points

Thanks, Satish

RF & microwave

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ADC32RF80: Synchronization of two ADC32RF80