LMX2492 Datasheet, PDF (34/41 Pages) Texas Instruments – -227 dBc/Hz Normalized PLL Noise

LMX2492, LMX2492-Q1
SNAS624A – MARCH 2014 – REVISED JUNE 2014
11 Layout
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11.1 Layout Guidelines
For layout examples, the EVM instructions are the most comprehensive document. In general, the layout
guidelines are similar to most other PLL devices. For the high frequency Fin pin, it is recommended to use 0402
components and match the trace width to these pad sizes. Also the same needs to be done on the Fin* pin. If
layout is easier to route the signal to Fin* instead of Fin, then this is acceptable as well.
11.2 Layout Example
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