Datasheet

3 Schematic and PCB Layers
PVCC
U1
FB1
PVC
CR
C5
0603
1.0ufd/16V
C6
1.0ufd/16V
060
3
C2 0805 1.0ufd/50V
GND
10
00pfd/50V
0603 C3
GND
GND
470ufd/35V HE C1
+
1.0ufd/
50V
0805 C10
GND
C11 0603 1000pfd/50V
GND
GND
C9 HE 47
0ufd/35V
+
PVC
C
C7
1
.0ufd/16V
0603
GND
C4 0603 1.0u
fd/16V
GND
10K
060
3
R1
PVCC
R2
0603 10
K
0603
1.0ufd/16V
C
8
GND
GND
GND
GND
0.22ufd/25V
0603
C12
GND
C15
0603
0.22ufd/25V
G
AIN0
2
1
2m
m
GND GND
10K 0603
R3
R4
0603 10K
C13 0603 10
00pfd/50V
GND
GND
TP
A3125D2N
4 3 2 1 5
10
6
7
8 9
19 20 18 17
16 11
12
1
3
15 1
4
C20
HE
470ufd/35V
+
1500pfd/50V 0603 C1
6
10,1/4W 1206
R5
GND
C17 0603 1500
pfd/50V
R6
1206 10,1/4W
GND
0.22ufd/63V MKT C18
G
ND
1.00K 0603
R7
G
ND
470ufd/35V
HE
C
21
+
C19 MKT 0.22ufd/63V
GND
R8
0603 1.00K
GND
2mm
1
2
GAIN
1
0.875in
GND
0.875in
GND
0.875in
GND
0.875in
GND
GAIN0
GAIN1
1
2
3
RC
A (Red)
RCA (Black)
3
2
1
GND GND
S1
GN
D
S2
PVCC
1
2
LOUT
GND
2
1
ROU
T
GND
P
VCC
GND
0.0
12
10
R9
2 1
2W@6
0C
HS1
GND
33uH
/2.3A
L1
L2
33uH/
2.3A
10ufd/50V 1210 C14
0805
80oh
ms/100MHz
1
2
80ohms/100MHz
0805
FB2
1
2
80oh
ms/100MHz
0805
FB3
1
2
FB
4
0805
8
0ohms/100MHz
1
2
6A/250V
GRAY
J1
2
1
STANDOFFS
SH
UNTS
PV
CCR
www.ti.com Schematic and PCB Layers
Figure 3. TPA3125D2 EVM Schematic
SLOU250 – January 2009 TPA3125D2 EVM 5
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