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WEBENCH® Tools/LMK03328: Defalt VCO gain setting does not match the value in the data sheet.

Guru 19775 points
Part Number: LMK03328
Other Parts Discussed in Thread: LMK03318

Tool/software: WEBENCH® Design Tools

Hi Team,

When I run LMK03328 simulation, I found that WEBENCH uses VCO Gain = 49.011MHz/V as default value. However, the datasheet states VCO Gain = 55MHz/V (TYP).

Why does WEBENCH use 49.011MHz/V ? Is it considering the VCO Gain process variation ?

Please correct this value if this is a typo.

* LMK03318 simualtion is also using the similar value.

LMK03328 WEBENCH simulation default VCO Gain is 49.011MHz/V]

LMK03328 data sheet specification is 55MHz/V (TYP)

Best Regards,

Kawai