Application Note 9823
Appendix B HI5662EVAL2 Evaluation Board Schematic Diagrams
1
(Continued)
I_IN
J1
C12
0.1 μ F
3
NC
+
7
V+
8
C15
0.1 μ F
+5V A
C17
0.1 μ F
R1
56.2
2
-
V-
4
NC
NC
5
6
U3
HFA1109IB
-5V A
R22
10
R6
100
R8
0
I IN +
R2
499
C13
0.1 μ F
C25
IV DC
A/R
R5
R3
499
2
1
NC
-
499
7
V+
C18
0.1 μ F
8
NC
NC
6
+5V A
+
C19
10 μ F
R23
10
R7
100
C23
0.1 μ F
I IN -
R4
3
+
V-
5
U4
HFA1109IB
C20
0.1 μ F
249
4
-5V A
C21
0.1 μ F
+
C22
10 μ F
FIGURE 16. I CHANNEL ANALOG FRONT END
Q_IN
J2
C81
0.1 μ F
3
1
NC
+
7
V+
C64
0.1 μ F
8
+
+5V A
C63
10 μ F
C67
0.1 μ F
R24
56.2
2
-
V-
NC
NC
5
6
U8
HFA1109IB
R29
10
Q IN +
4
-5V A
R31
100
R25
499
R26
C82
0.1 μ F
C71
A/R
R33
0
QV DC
R27
499
R28
2
3
1
NC
-
+
7
V+
V-
499
8
NC
NC
5
+5V A
C66
0.1 μ F
6
U9
HFA1109IB
R30
10
C68
0.1 μ F
R32
100
C69
0.1 μ F
Q IN -
249
4
-5V A
C84
0.1 μ F
+
C85
10 μ F
FIGURE 17. Q CHANNEL ANALOG FRONT END
3-9
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