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  • TI Thinks Resolved

ADS42LB69: Does this chip have a SINAD vs Input Frequency vs ENOB graph?

Part Number: ADS42LB69

Hi,

I would like to understand what is the enob and sinad I will be having from this chip if I'm using at frequencies 500MHz and above.

Does anyone has a plot like that?

Here is an example for chip AD9226: 

www.analog.com/.../MT-003.pdf

Please refer to page 5.

Thank you.

  • Hi Zhan Cheng Ng,

    The datasheet does not give any information for input frequencies above 300 MHz (page 18 of datasheet

    )

    The ENOB at 300 MHz is (72.2(SNR)-1.76)/6.02 = 11.70 LSBs.

    I will look further at whether or not this data can be obtained, and get back with you soon.

    Best Regards,

    Dan

  • In reply to Daniel Brock36:

    Hi Dan,

    Thanks for the reply. I hope to hear from you so I can have better understanding of the chip.

    Once again, thank you.

    Best Regards,

    Zhan Cheng

  • In reply to Zhan Cheng Ng:

    Hi Zhan Cheng,

    I have some unofficial data that was collected that I can send you in a message.

    Best Regards,

    Dan

  • In reply to Daniel Brock36:

    Hi Dan,

    Can you send it to my mail? nzhanche@dso.org.sg

    Thanks for the help!

    Best Regards,

    Zhan Cheng

  • In reply to Zhan Cheng Ng:

    Hi Zhan Cheng,

    I have sent the data that I have available to the listed email address.

    Hope that helps!

    Best Regards,

    Dan

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