adi pcb layout guide

adi pcb layout guide
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加密时间：2008-2-1
AD9882/3/4/7/8 Layout Guide(V1.8)

By Charles Lee
Analog Devices Great China Apps
Charles.Lee@analog.com
TEL: (886)22719-5612 Ext 222
Mobil: (886)932-305-736

a
 AD9883/4/8 Layout Guide(I)


Use a “SINGLE” ground plane on the entire of PCB. No any
ground separate on the board.
To avoid noise coupling and maintain minimum ground
impedance, the component side of PCB which under AD9883/4
should surrounded by a ground plane(and connect with many
vias to ground plane). No any signal trace allow to pass through
it.
Each one of Vd, PVd and Vdd pin should ha