User's Guide Power Supply ADS5525, 27, 45, 46, 47,

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5 Physical Description
5.1 PCB Layout
K001
Physical Description
This chapter describes the physical characteristics and PCB layout of the EVM.
The EVM is constructed on a 6-layer, 0.062-inch thick PCB using FR-4 material. The individual layers are
shown in Figure 4 through Figure 9 . The layout features split analog and digital ground planes; however,
similar performance can be had with careful layout using a single ground plane. Users can connect the
analog and digital ground planes underneath the EVM by soldering the two exposed tinned strips together.
Figure 4. Top Layer
14 SLWU028B – January 2006 – Revised November 2006
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