Datasheet

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Digital Logic
and
Audio
Processor
Digital Power
+V
D
DGND
Digital Section Analog Section
Return Path for Digital Signals
Analog Power
+V
S
AGND –V
S
+5VA
Digital
Ground
Analog
Ground
Output
Circuits
PCM1780/81/82
AGND
V
CC
B0031-01
V
DD
Digital Section Analog Section
RF Choke or Ferrite Bead
Power Supplies
Common
Ground
Output
Circuits
AGND
V
CC
+V
S
+5V –V
S
AGND
PCM1780/81/82
B0032-01
Digital Logic
and
Audio
Processor
PCM1780 , PCM1781 , PCM1782
SLES132B – MARCH 2005 – REVISED AUGUST 2006
APPLICATION INFORMATION (continued)
Figure 30. Recommended PCB Layout
Figure 31. Single-Supply PCB Layout
28
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