WM8714

Production Data

w

PD Rev 4.0 November 2004

14

RECOMMENDED EXTERNAL COMPONENTS

VDD

GND

CAP

C

6

C

5

AGND

8

7

Hardware Control

WM8714

Notes:

1. GND should be connected as close to the WM8714 as possible.

2. C

2

, C

5

should be positioned as close to the WM8714 as possible.

3. Capacitor types should be carefully chosen. Capacitors with very low ESR are

recommended for optimum performance.

C

2

VDD

C

1

13

FORMAT

12

DEEMPH

VOUTR

9

C

3

VOUTL

C

4

AC-Coupled

VOUTR/L

to External LPF

10

MUTE

6

14

MCLK

3

BCKIN

2

DIN

Audio Serial Data I/F

AGND

1

LRCIN

5

+

+

Figure 65 External Component Diagram

RECOMMENDED EXTERNAL COMPONENTS VALUES

COMPONENT

REFERENCE

SUGGESTED

VALUE

DESCRIPTION

C1

10

µF

De-coupling for VDD

C2

0.1

µF

De-coupling for VDD

C3 and C4

10

µF

Output AC coupling caps to remove midrail DC level from outputs

C5

0.1

µF

C6

10

µF

Reference de-coupling capacitors for CAP pin

Table 6 External Components Description