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WM8152

APPLICATIONS INFORMATION

RECOMMENDED EXTERNAL COMPONENTS

DVDD2 DVDD1

Production Data

DVDD2

DVDD1

C1

C2

AVDD

AVDD

C3

DGND DGND

DGND

AGND1

AGND2

AGND

AGND

Video

Input

VRT

VINP

VRX

VRB

C6

C7

C8

C4

C5

WM8152

VRLC/VBIAS

C9

AGND

AGND

DVDD2

MCLK

DVDD1

+ C11

AVDD

+ C12

Timing

Signals

VSMP

+ C10

OP[3]/SDO

SCK

OP[2]

OP[1]

OP[0]

Interface

Controls

SDI

SEN

Output

Data

Bus

DGND

DGND

AGND

NOTES: 1. C1-9 should be fitted as close to WM8152 as possible.

2. AGND and DGND should be connected as close to WM8152 as possible.

Figure 19 External Components Diagram

RECOMMENDED EXTERNAL COMPONENTS VALUES

COMPONENT

REFERENCE

C1

C2

C3

C4

C5

C6

C7

C8

C9

C10

C11

C12

SUGGESTED

VALUE

100nF

100nF

100nF

10nF

1碌F

100nF

100nF

100nF

100nF

10碌F

10碌F

10碌F

DESCRIPTION

De-coupling for DVDD2.

De-coupling for DVDD1.

De-coupling for AVDD.

High frequency de-coupling between VRT and VRB.

Low frequency de-coupling between VRT and VRB (non-polarised).

De-coupling for VRB.

De-coupling for VRX.

De-coupling for VRT.

De-coupling for VRLC.

Reservoir capacitor for DVDD2.

Reservoir capacitor for DVDD1.

Reservoir capacitor for AVDD.

Table 6 External Components Descriptions

w

PD Rev 4.0 January 2004

24

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