PCM1602APT datasheet(35/46 Pages) TI2

Part #	PCM1602APT

Description	24-Bit, 192-kHz Sampling, 6-Channel, Enhanced Multilevel, Delta-Sigma Digital-to-Analog Converter

PDF	46 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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35 / 46 page

VDD

Digital Section

Analog Section

RF Choke or Ferrite Bead

Power Supplies

Common

Ground

Output

Circuits

AGND

VCC

+VS

+5V

−VS

AGND

VDD

DGND

REG

PCM1602A

B0032-06

Digital Logic

and

Audio

Processor

PCM1602A

www.ti.com

SLES146A – AUGUST 2005 – REVISED OCTOBER 2010

Separate power supplies are recommended for the digital and analog sections of the board. This prevents the

switching noise present on the digital supply from contaminating the analog power supply and degrading the

dynamic performance of the DACs. In cases where a common 5-V supply must be used for the analog and

digital sections, an inductance (RF choke, ferrite bead) should be placed between the analog and digital 5-V

supply connections to avoid coupling of the digital switching noise into the analog circuitry. Figure 35 shows the

recommended approach for single-supply applications.

Figure 35. Single-Supply PCB Layout

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PCM1602APT Datasheet(PDF) 35 Page - Texas Instruments