Digital Logic

and

Audio

Processor

Digital Power

+VD

DGND

Digital Section

Analog Section

Return Path for Digital Signals

Analog Power

+VS

AGND

–VS

+5VA

Digital

Ground

Analog

Ground

Output

Circuits

PCM1680

AGND

VDD

B0031-02

DGND

VCC

VDD

Digital Section

Analog Section

RF Choke or Ferrite Bead

Power Supplies

Common

Ground

Output

Circuits

AGND

VDD

+VS

+5V

–VS

AGND

PCM1680

B0032-02

Digital Logic

and

Audio

Processor

VCC

DGND

PCM1680

www.ti.com.................................................................................................................................................. SLES133B – MARCH 2005 – REVISED OCTOBER 2008

Figure 34. Recommended PCB Layout

Figure 35. Single-Supply PCB Layout

Copyright © 2005–2008, Texas Instruments Incorporated

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Product Folder Link(s): PCM1680