UG-478
Evaluation Board User Guide
Rev. 0 | Page 10 of 40
Figure 7. Setup for the
ADA4940-1
and
AD8475
Amplifiers
Table 6. R/C Components for
ADA4940-1
(Single-Ended to Differential Driver)
Component
Status
R66
0 Ω
R75
0 Ω
R76
0 Ω
R77
0 Ω
R96
1
Not inserted
R97
1
Not inserted
R98
0 Ω
R34
0 Ω
R39
0 Ω
C19
270 pF
C59
270 pF
C23
680 pF
1
Insert 0 Ω resistors in R96 and R97 to connect the
ADA4940-1
to the
AD7176-2
, and place the SL8 and SL11 solder links in Position C. Ensure that the R72 and R100
resistors are removed.
Table 7. R/C Components for
AD8475
(Attenuating Single-Ended to Differential Driver)
Component
Status
R63
0 Ω
R64
1
Not inserted
R74
1
Not inserted
R78
0 Ω
R46
0 Ω
R47
0 Ω
C27
270 pF
C28
270 pF
C26
680 pF
1
Populate R64 and R74 with 10 Ω resistors to connect the
AD8475
to the
AD7176-2
, and place the SL9 and SL10 solder links in Position C. Ensure that the R110 and R120
resistors are removed.
11035-
036
R96
R97
R34
R39
C19
C59
C23
R64
R47
R74
R46
C28
C27
C26
3
REF+
2
REF–
21
AIN0
22
AIN1
23
AIN2
4
REFOUT
24
AIN3
6
AVSS
7
AVDD1
8
AVDD2
0.1µF
+5V
0.1µF
0.1µF
AD7176-2
+5V
0.1µF
4.7µF
0.1µF
ADR445
5V VREF
0.1µF
13
12
11
14
SCLK
DIN
CS
DOUT/RDY
0.1µF
+5V
IN0
IN1
R96
R66
R75
R77
0.1µF
+5V
IN2
IN3
AD8475
ADA4940-1
R98
R63
VOCM
VOCM
2.5V
R78
+IN 0.4×
–IN 0.4×
Содержание EVAL-AD7176-2SZD
Страница 22: ...UG 478 Evaluation Board User Guide Rev 0 Page 22 of 40 Figure 26 Schematic Amplifiers 11035 033 ...
Страница 23: ...Evaluation Board User Guide UG 478 Rev 0 Page 23 of 40 Figure 27 Schematic Power Supply Sequencing 11035 023 ...
Страница 24: ...UG 478 Evaluation Board User Guide Rev 0 Page 24 of 40 Figure 28 Schematic Regulators 11035 024 ...
Страница 25: ...Evaluation Board User Guide UG 478 Rev 0 Page 25 of 40 Figure 29 Schematic SDP Connector 11035 025 ...
Страница 29: ...Evaluation Board User Guide UG 478 Rev 0 Page 29 of 40 Figure 36 Layer 4 Component Side 11035 032 ...