Datasheet

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 3W ×
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.
NOTE: IC1 must be driven by V
DD
with a 5-V tolerant input.
C
1
, C
2
, C
3
, C
4
, C
7
, C
8
: 10 μF
C
5
, C
6
: 10 pF to 33 pF (depending on crystal resonator)
C
9
, C
10
, C
11
, C
12
: The capacitance may vary depending on design.
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.
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Product Folder Link(s): PCM2903C