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PCM2902 TYPICAL CIRCUIT CONNECTION 2

D+

28

27

26

25

24

23

22

21

20

19

1

2

3

4

5

6

7

8

9

10

PCM2902

D–

V

BUS

DGNDU

HID0

HID1

HID2

SEL0

SEL1

V

CCCI

SSPND

XTI

V

DDI

DGND

DOUT

DIN

XTO

V

CCP2I

AGNDX

V

CCXI

D+

D–

C

1

11

12

13

14

AGNDC

V L

IN

V R

IN

V

COM

18

17

16

15

V

CCP1I

V

L

OUT

V

R

OUT

AGNDP

22 W

22 W

1.5k

4

W ´

GND

V

BUS

C

2

C

9

C

10

1MW

12MHz

C

5

C

6

C

3

C

8

C

11

C

12

LPF,

Amp

LPF,

Amp

C

7

C

4

MUTE/

Power

Down

+

+

+

+

+

+

2.2 W

1 F

m

S0265-04

PCM2900

PCM2902

SLES035E – MARCH 2007 – REVISED MARCH 2008

Figure 39 illustrates a typical circuit connection for a simple application. The circuit illustrated is for information

only. The whole board design should be considered to meet the USB specification as a USB-compliant product.

In this case, the analog performance of the A/D converter may be degraded.

Figure 39. Bus-Powered Configuration

30

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