5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
SE -> Diff Input
Single-Ended Inputs/Outputs
Line In Amplifier & Filter
Line Out Driver & Filter
Power Supply and Decoupling
LINE_IN_RIGHT
LINE_IN_LEFT
AGND
AGND
AGND
AGND AGND
AGND
VDIFFAMP
VDIFFAMP
AGND
GND
AGND
GND
GND
GND
AO_SGND
VLINE_IN
AGND
AGND
AGND
AGND
AGND
AGND
GND
GND
VLINE_IN
AGND
GND
AGND
AO_SGND
AO_SGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AO_SGND
AO_SGND
GND
AO_SGND
3V3
3V3
5V
ANALOG_DIFF_N
(p 16,18)
ANALOG_DIFF_P
(p 16,18)
ANALOG_SE_A (p 16,18)
AUDIO_IN_RIGHT
(p 16,18)
AUDIO_IN_LEFT
(p 16,18)
ANALOG_SE_B (p 16,18)
ANALOG_DIFF_VCM
(p 16,18)
AUDIO_OUT_RIGHT
(p 16,18)
AUDIO_OUT_LEFT
(p 16,18)
AUDIO_OUT_CONNECT
(p 9,16)
AUDIO_IN_CONNECT
(p 9,16)
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date
Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
C
BRD3200C
Tuesday, January 19, 2010
2
21
A3
JNO
JNO
EFM32 Development Kit - Mainboard
<Cage Code>
Saturday, March 21, 2009
W ednesday, December 03, 2008
TOP
<Schematic Path>
Analog Interfaces
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date
Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
C
BRD3200C
Tuesday, January 19, 2010
2
21
A3
JNO
JNO
EFM32 Development Kit - Mainboard
<Cage Code>
Saturday, March 21, 2009
W ednesday, December 03, 2008
TOP
<Schematic Path>
Analog Interfaces
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date
Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
C
BRD3200C
Tuesday, January 19, 2010
2
21
A3
JNO
JNO
EFM32 Development Kit - Mainboard
<Cage Code>
Saturday, March 21, 2009
W ednesday, December 03, 2008
TOP
<Schematic Path>
Analog Interfaces
U3C
MAX9724A
U3C
MAX9724A
C1P
1
C1N
3
PGND
2
VDD
12
SGND
7
SVSS
9
PVSS
4
SHDN
5
R28 15K
R28 15K
TP99
TP99
R33 7K5
R33 7K5
U2C
TLV2473IDGQ
U2C
TLV2473IDGQ
VDD
10
GND
4
2SHDN
6
1SHDN
5
GND_HEAT
11
SJ1-3515
J2
SJ1-3515
J2
1
2
4
3
5
C16 10U
C16 10U
R25 10R
R25 10R
TP24
TP24
P2
BNC
P2
BNC
5
4
2
3
1
TP25
TP25
R36 27K
R36 27K
U3A
MAX9724A
U3A
MAX9724A
INL
6
OUTL
11
TP23
TP23
R9
1K
R9
1K
R15 15K
R15 15K
C32
100P
C32
100P
ST3
ST3
1
2
R32 7K5
R32 7K5
R19
15K
R19
15K
C29
10U
C29
10U
C27 1U
C27 1U
L3
BLM21B102S
L3
BLM21B102S
1
2
R262
1K
R262
1K
R4
49R9
R4
49R9
C35
100P
C35
100P
TP161
TP161
TP153
TP153
P1
BNC
P1
BNC
5
4
2
3
1
C11
100N
C11
100N
C3
390P
C3
390P
R5
49R9
R5
49R9
L1
BLM21B102S
L1
BLM21B102S
1
2
R16 47K
R16 47K
R27 15K
R27 15K
C12
680P
C12
680P
R3
390R
R3
390R
R39
47K
R39
47K
C23
1N
C23
1N
R20 27K
R20 27K
TP98
TP98
R42
10R
R42
10R
TP101
TP101
R41
10R
R41
10R
C21 150P
C21 150P
TP107
TP107
C31
100P
C31
100P
R38 10R
R38 10R
C20
10N
C20
10N
R17 15K
R17 15K
R12
10K
R12
10K
SJ1-3515
J1
SJ1-3515
J1
1
2
4
3
5
R6
10K
R6
10K
C5
22P
C5
22P
R40
0R
R40
0R
C14
1U
C14
1U
TP111
TP111
-
+
1
U2A
TLV2473IDGQ
-
+
1
U2A
TLV2473IDGQ
2
3
1
C33
100N
C33
100N
R22 10R
R22 10R
C34
10U
C34
10U
TP104
TP104
R26 10R
R26 10R
R24 7K5
R24 7K5
TP110
TP110
U3B
MAX9724A
U3B
MAX9724A
INR
8
OUTR
10
C4
100N
C4
100N
C36
10N
C36
10N
C30
10N
C30
10N
C25
680P
C25
680P
C13
10N
C13
10N
TP108
TP108
C18 220P
C18 220P
R252
0R
NM
R252
0R
NM
C26
10N
C26
10N
C15
1N
C15
1N
-
+
2
U2B
TLV2473IDGQ
-
+
2
U2B
TLV2473IDGQ
8
7
9
C1
100P
C1
100P
R43
47K
R43
47K
R35
15K
R35
15K
R30
1K
R30
1K
C10 220P
C10 220P
L2
BLM21B102S
L2
BLM21B102S
1
2
TP162
TP162
C8
100P
C8
100P
TP109
TP109
R13 390R
R13 390R
C19
10N
C19
10N
R263
1K
R263
1K
R7
49R9
R7
49R9
P3
BNC
P3
BNC
5
4
2
3
1
TP102
TP102
ST1
ST1
1
2
C2
22P
C2
22P
C9
150P
C9
150P
C28
1U
C28
1U
R21
47K
R21
47K
R2
1K
R2
1K
R1
390R
R1
390R
C37
10U
C37
10U
TP103
TP103
-
+
U1A
AD8132ARM
-
+
U1A
AD8132ARM
1
8
4
2
5
C17 10U
C17 10U
R10 390R
R10 390R
C6
22P
C6
22P
U1B
AD8132ARM
U1B
AD8132ARM
V+
3
V-
6
NC
7
R8
49R9
R8
49R9
TP105
TP105
C7
22P
C7
22P
R14
49R9
R14
49R9
TP100
TP100
R23 7K5
R23 7K5
C22
1U
C22
1U
ST2
ST2
1
2
R11
24R9
R11
24R9
R29
1K
R29
1K
TP106
TP106
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