WM2002

Product Brief

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Product Brief, September 2013, Rev 4.1

8

RECOMMENDED EXTERNAL COMPONENTS

WM2002

LDO3VOUT

LDO2VOUT

LDO4VOUT

MICLP

MICBIAS

XTI

XTO

2.2 F

2.2 F

2.2 F

2.2 F

External

2.1V supply

4.7 F

VREFC

100nF

MICLN

MICRP

4.7 F

MICRN

3.3k

3.3k

ANC

Microphone

Inputs

INLP

2.2 F

INLN

INRP

2.2 F

INRN

Line Inputs

VMIDC

4.7 F

18pF

18pF

12.288MHz

LDO1VOUT

LDO1VDD

MICVDD

DBVDD

SYSVDD

2.2 F

2.2 F

2.2 F

CFB1

BATTVDD

DC1LX

DC1VOUT

CPVOUT

CPGND

CFB2

IREFR

100k

PROGVDD

100k

1 F

4.7 F

27pF

4.7 F

4.7 F

300

LED

DBVDD

10k

DMICBVDD

MON

Control

Interface

1k

DBVDD

ADDR

10k

SCLK

SDA

1k

HPOUTLP

HPOUTRN

HPOUTLN

HPOUTRP

Stereo

Headphone

DGND

AGND

HPGND

100nF

33

2.2 F

External

2.8V supply

Pre-

Amp*

Pre-

Amp*

* see reference schematics for full pre-amp details

Figure 2 External Components Diagram