Datasheet

AD9248
Rev. B | Page 26 of 48
R20 49.9Ω
R8 49.9Ω
R19
49.9Ω
R7 49.9Ω
C59 DNP
C58 DNP
C71 DNP
C70 DNP
0.1μF
C65
C64
0.1μF
R18
1kΩ
R50
1kΩ
R29
1kΩ
R9
1kΩ
R30
1kΩ
R47
1kΩ
C85
0.1μF
C63
0.1μF
C68
VAL
C69
VAL
VAL
C55
VAL
C54
C56
0.1μF
C62
0.1μF
C61
0.1μF
C5
3
1
0
V
6
.
3
V
C49
10V
6.3V
R21
40Ω
R22
40Ω
R23
33Ω
JP18
JP19
R24
499Ω
R25
499Ω
JP22
2
S4
JP20
JP21
T1
T1–1T
6
4
1
2 3
JP14
JP13
S2
R14
33Ω
VIN+_A VIN–_A
VIN+_B
VIN–_B
JP17
2
3
1
499Ω
R12
JP16
JP15
R13
33Ω
R17 40Ω
R27
33Ω
T1–1T
T2
3 2 1
4 6
S3
TP11
RED
R16
40Ω
C87
10μF
6.3V
TP12
WHT
TP13
WHT
TP14
WHT
TP15
WHT
U6
1
8
6
3
2
4 5
U5
5 4
2
3
6
8
1
C88
10μF
6.3V
C50
10μF
6.3V
C51
10μF
6.3V
R49
1kΩ
R48
1kΩ
R15
499Ω
C86
0.1μF
R10
499Ω
S1
R11
523Ω
R26
523Ω
R28
499Ω
C60
20pF
C72
20PF
NC = 5
NC = 5
AD8138
AD8138
XFMR INPUT B
XFMR INPUT A
S
P
SP
SHEET 3
SHEET 3
A
–IN
+IN
VEE
VCC
VOC
VO+
VO–
AVDD
AVDD
AVDD
AVDD
AVDD
AMP INPUT A
AMP INPUT B
–IN
+IN
VEE
VCC
VOC
VO+
VO–
B
B
A
TP10
RED
C89
10μF
6.3V
C90
10μF
6.3V
13
O
O
O
O
04446-040
AVDD
Figure 41. Evaluation Board Schematic (Continued)