PCM1606

SLES014B − OCTOBER 2001 − REVISED AUGUST 2002

20

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APPLICATION INFORMATION

DATA1

20

19

18

17

16

15

14

13

12

11

1

2

3

4

5

6

7

8

9

10

PLL1700

L

R

LF

RF

RS

LS

CTR

SUB

XT1

Buffer

Master Clock

+

+

+

+

+

+

+

+

Down Mix

ANALOG SECTION

DIGITAL SECTION

PCM1606

DATA2

DATA3

FMT1

FMT0

ZEROA

AGND

VOUT5

VOUT6

VOUT1

SCKI

VOUT4

BCK

LRCK

DEMP1

DEMP0

VOUT3

VOUT2

VCOM

VCC

µC/µP{

Audio DSP

or

Decoder

RSw

RS

RS

RS

RS

RS

10

µF

10

µF

10

µF

10

µF

10

µF

10

µF

10

µF

10

µF

0.1

µF

SCKO3}

Output

Low-Pass

FiltersW

27-MHz

5-V Analog

† Format and de-emphasis control can be provided by the DSP/decoder.

‡ Actual clock output used is determined by the application.

§ RS = 22 Ω to 100 Ω

¶ See the Application Information section of this data sheet for more information.

Figure 29. Typical Application Diagram

power supply and grounding

The PCM1606 requires a 5-V supply. The 5-V supply is used to power the DAC analog output-filter circuitry, the

digital filter, and the serial interface circuitry.

Two capacitors are required for supply bypassing, as shown in Figure 29. These capacitors should be located

as close as possible to the PCM1606 package. The 10-

µF capacitors should be tantalum or aluminum

electrolytic, while the 0.1-

µF capacitors are ceramic (X7R type is recommended for surface-mount

applications).