Functional Block Diagram

TLW12339 – 3

Note 1

The prescalar for the LMX2315 and LMX2320 is either 6465 or 128129 while the prescalar for the LMX2325 is 3233 or 6465

Note 2

The power down function is gated by the charge pump to prevent unwanted frequency jumps Once the power down pin is brought low the part will go into

power down mode when the charge pump reaches a TRI-STATE condition

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3