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4
FN4900.9
February 27, 2006
Typical Operating Circuits
ICL3225E
ICL3227E
19
V
CC
T1
OUT
T2
OUT
T1
IN
T2
IN
T
1
T
2
0.1
μ
F
+0.1
μ
F
+
0.1
μ
F
13
12
17
8
2
4
5
3
7
V+
V-
C1+
C1-
C2+
C2-
+
0.1
μ
F
6
R1
OUT
R1
IN
16
5k
R2
OUT
R2
IN
9
10
5k
15
C
1
C
2
+C
3
C
4
READY
1
GND
+3.3V
+
0.1
μ
F
18
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
R
1
R
2
FORCEON
FORCEOFF
14
20
V
CC
11
INVALID
TO POWER
CONTROL LOGIC
15
V
CC
T1
OUT
T1
IN
T
1
0.1
μ
F
+0.1
μ
F
+
0.1
μ
F
11
13
2
4
5
3
7
V+
V-
C1+
C1-
C2+
C2-
+
0.1
μ
F
6
R1
OUT
R1
IN
R
1
8
9
5k
C
1
C
2
+C
3
C
4
READY
1
GND
+3.3V
+0.1
μ
F
14
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
FORCEON
FORCEOFF
12
16
V
CC
10
INVALID
TO POWER
CONTROL LOGIC
ICL3225E, ICL3227E, ICL3245E