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UG-478
IN0
IN1
IN2
IN3
R78
Table 6. R/C Components for
Component
R66
R75
R76
R77
R96
1
1
R97
R98
R34
R39
C19
C59
C23
Insert 0 Ω resistors in R96 and R97 to connect the
1
resistors are removed.
Table 7. R/C Components for
Component
R63
R64
1
1
R74
R78
R46
R47
C27
C28
C26
1
Populate R64 and R74 with 10 Ω resistors to connect the
resistors are removed.
+5V
0.1µF
ADA4940-1
R66
R96
R96
R77
R75
R97
VOCM
R98
+5V
0.1µF
R63
VOCM
+IN 0.4×
R64
–IN 0.4×
R74
AD8475
Figure 7. Setup for the
ADA4940-1
(Single-Ended to Differential Driver)
ADA4940-1
to the AD7176-2, and place the SL8 and SL11 solder links in Position C. Ensure that the R72 and R100
AD8475
(Attenuating Single-Ended to Differential Driver)
AD8475
to the AD7176-2, and place the SL9 and SL10 solder links in Position C. Ensure that the R110 and R120
0.1µF
R34
AIN0
21
C19
C23
C59
AIN1
22
R39
2.5V
REFOUT
4
0.1µF
R47
AIN2
23
C28
C26
C27
AIN3
24
R46
+5V
ADR445
5V VREF
0.1µF
0.1µF
ADA4940-1
and
AD8475
Amplifiers
Status
0 Ω
0 Ω
0 Ω
0 Ω
Not inserted
Not inserted
0 Ω
0 Ω
0 Ω
270 pF
270 pF
680 pF
Status
0 Ω
Not inserted
Not inserted
0 Ω
0 Ω
0 Ω
270 pF
270 pF
680 pF
Rev. 0 | Page 10 of 40
Evaluation Board User Guide
+5V
0.1µF
6
7
8
AVSS
AVDD1
AVDD2
AD7176-2
SCLK
13
DIN
12
11
DOUT/RDY
14
CS
REF+
REF–
3
2
0.1µF
4.7µF
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