Datasheet

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4.2 PCB Layout
Schematic, PCB Layout, and Bill of Materials
The PCM4202EVM is a 4-layer printed circuit board with the following layer structure:
• Layer 1: Top (Component Side)
• Layer 2: Ground Plane
• Layer 3: Power
• Layer 4: Bottom (Solder Side)
The ground plane doubles as a heat sink for the PCM4202 PowerPAD package. Refer to the
product datasheet for more information on the purpose and application of the PowerPAD
connection.
Figure 5 through Figure 10 show the top side silk screen, along with the top, ground plane, power,
and bottom layers of the printed circuit board.
PCM4202EVM User's GuideSBAU103 – August 2004 15