Via to

GND plane

C

Wide (low inductance)

trace for power

TMUX110x

22

TMUX1101, TMUX1102

SCDS410 – MARCH 2019

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Product Folder Links: TMUX1101 TMUX1102

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Copyright © 2019, Texas Instruments Incorporated

Layout Guidelines (continued)

Figure 12 illustrates an example of a PCB layout with the TMUX110x. Some key considerations are:

•

•

Keep the input lines as short as possible.

•

Use a solid ground plane to help reduce electromagnetic interference (EMI) noise pickup.

•

Do not run sensitive analog traces in parallel with digital traces. Avoid crossing digital and analog traces if

possible, and only make perpendicular crossings when necessary.

12.2 Layout Example

Figure 12. TMUX110x Layout example