
4
FN4910.21
February 22, 2010
ICL3232E
Typical Operating Circuits (Continued)
16
VCC
T1OUT
T2OUT
T1IN
T2IN
T1
T2
0.1F
+
0.1F
+
0.1F
11
10
14
7
1
3
2
6
V+
V-
C1+
C1-
C2+
C2-
+
0.1F
4
5
R1OUT
R1IN
13
5k
R2OUT
R2IN
8
9
5k
12
C1
C2
+ C3
C4
GND
+3.3V
+
0.1F
15
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
R1
R2
+
C3 (OPTIONAL CONNECTION, NOTE)
NOTE: THE NEGATIVE TERMINAL OF C3 CAN
BE CONNECTED TO EITHER VCC OR GND
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E