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PCB Layout Guidelines

Figure 2. Power Supply Connectors and Headers

5 PCB Layout Guidelines

This section provides general practical guidelines for PCB layouts that use various power and ground

traces. Designers should note that these are only "rule-of-thumb" recommendations and the actual results

are predicated on the final layout.

5.1 Differential Signals

The two input pins of the LMP8601 form a differential pair that must be handled following the rules given

below.

• Keep both signals coupled by routing them closely together and keeping them of equal length.

• Do not allow any other signal in between these two signals of the differential pair.

• Keep all impedances in both traces of the signal equal.

5.2 Power, Ground and De-Coupling

Keep the power supply de-coupling capacitor close to the power supply pin (V

of the part.)

Make sure all return currents of the signals can flow next to the originating signals

6 Description of Headers and Connectors of the LMP8601 Evaluation Board

The LMP8601 evaluation board provides the following headers and connectors for connecting test

equipment and supplying the LMP8601 part.

SNOA539A–February 2009–Revised April 2013 AN-1940 LMP8601 Evaluation Board

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