28

27

26

25

24

23

22

21

20

19

1

2

3

4

5

6

7

8

9

10

SSPND

XTI

V

DD

DGND

DOUT

DIN

XTO

V

CCP2

AGNDX

V

CCX

D+

D–

MUTE/

Power Down

C

1

11

12

13

14

D+

D-

V

BUS

DGNDU

HID0

HID1

HID2

SEL0

SEL1

V

CCC

AGNDC

V L

IN

V R

IN

V

COM

18

17

16

15

V

CCP1

V

L

OUT

V

R

OUT

AGNDP

22 W

22 W

V

(3.3 V)

DD

1.5 k

3

IC1

1.5 kW

GND

V

BUS

1 MW

C

2

C

9

C

10

V

(3.3 V)

CC

1 MW

12 MHz

C

5

C

6

C

3

C

4

C

7

C

8

C

11

C

12

LPF,

Amp

LPF,

Amp

PCM2903C

SBFS038 – JUNE 2012

www.ti.com

APPLICATION INFORMATION

TYPICAL CIRCUIT CONNECTION

Figure 40 illustrates a typical circuit connection for a simple application. The circuit illustrated is for information

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

Figure 40. Self-Powered Configuration

OPERATING ENVIRONMENT

For current information on the PCM2903C operating environment, see Application Report SLAA374, Updated

Operating Environments for PCM270X, PCM290X Applications, available for download from www.ti.com.

26

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Product Folder Link(s): PCM2903C