6
AN1408
.0
Feb
ruar
y 13, 200
9
Board Schematic
JACK
USB
TO
VDD
D-
D+
AUDIO LEFT
CTRL
COM-
HEADPHONE
DEVICE
TO
USB
AUDIO RIGHT
GND
HOST
COM+
IN
J10
VDD
TP10
J13
J12
R4
4
3
2
1
JP1
4
3
2
1
JP2
U1
JP4
R5
JP3
R6
R7
C5
J15
J14
R2
R1
C4
C3
J1
C2
C1
TP5
TP4
TP3
TP2
TP1
J11
J9
J8
5
4
3
2
1
J7
J4
J3
J6
J5
6
5
4
3
2
1
J2
10µF
0.1µF
COM2
DFN10
0
4.3M
OP
EN
COM1
0
DNP
0
100µF
100µF
DNP
0
R3
USB
1
2
3
4
A
A
6
10
7
8
3
4
5
9
1
2
GENERIC
PACK
EP
A
A
A
A
A
A
A
MOUNT
1
MOUNT
Application Note 1408
