Datasheet

28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
U1
U2
1
2
3
VOUTVIN
GND
AT24C64N-10SI-2.7TR
U3
1
2
3
4 5
6
7
8
1uF
1uF
1uF
1uF
1uF
C12
1uF
C8
10uF
0.022uF
0.022uF
C11
0.01uF
C13
0.01uF
R1
1Mohms
R15
1Mohms
R16
1Mohms
R2
1.5Kohms
1.5Kohms
1.5Kohms
1.5Kohms
1.5Kohms
1.5Kohms
1.5Kohms
1.5Kohms
1.5Kohms
27ohms
27ohms
16ohms
16ohms
10Kohms
10Kohms
R17
10ohms
R18
10Mohms
3
2
1
3
2
1
3
2
1
X1
21
CN1
6
5
4
3
2
1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
CN2
Case
Left
Right
Shield
1
2
3
GND
GND
GND
GND
GND
GND
GND
0.1uF
22Kohms
GND
GND
GND
GND
GND
Vdd
GND
Vdd
GND
GND
Vdd
GND
Vdd
Vdd
Vdd
Vdd
Vdd
1
1
C16
10uF
+
C17
10uF
+
CN3
2
1
3
SHUNT
SIGNAL
SHIELD
C14
100uF
+
C15
100uF
+
C1
15pF
C2
15pF
1
2
3
U4
VCC
INPUT
GND
SHIELD
JP9
3
2
1
1
2
3
JP10
1
2
3
JP11
Schematic, BOM, and Printed-Circuit Board www.ti.com
2 Schematic, BOM, and Printed-Circuit Board
This chapter presents the PCM270xEVM-U printed-circuit board and schematic.
2.1 PCM270xEVM-U Schematic
Figure 2. PCM270xEVM-U Circuit Diagram
4
PCM270xEVM-U SLEU114– May 2011
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