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LMX2820: LD PIN Output

JH Shin
Guru 12825 points

Part Number: LMX2820

Tool/software:

Hello,

My customer has a question about the LD PIN of the LMX2820.

They expected the LD PIN to output High after the PLL frequency was locked, but High was output as soon as power was applied to the LMX2820. Is this normal?

Thank you.

JH