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LMX2594: the register settings of LMX2594.

akihiko yokouchi
Intellectual 330 points
Part Number: LMX2594
Other Parts Discussed in Thread: LMX2595

Please give me some advice regarding the register settings of LMX2594.
The setting value of the R25 register differs between the latest version data sheet and before the revision.
What settings (functions) have changed for the latest version of the settings (0x190C2B)?
Also, is it okay to use the setting value (0x190624) before the revision (should I rewrite it immediately)?

Regards,
Akihiko Yokouchi/

  • +1
    TI__Guru* 81580 points

    Hi Yokouchi-san,

    Section 4 (Revision History) of the datasheet has the following description for this change:

    Changed the default value of R25 to align with register map of LMX2595. This change has no impact on the LMX2594.

    You can use either value for LMX2594, but if you use LMX2595, you have to use the latest datasheet suggestion.

    This register is a setting for the VCO doubler, so there is no impact to the LMX2594.