Datasheet

1 µF
1 µF
V
S+
V
S−
2
6
14
7
13
8
C1+
C1−
C2+
C2−
1
3
4
5
11
10
12
9
GND
15
0 V
V
CC
16
5 V
RS-232 Output
RS-232 Output
RS-232 Input
RS-232 Input
1 µF
8.5 V
−8.5 V
1 µF
From CMOS or TTL
To CMOS or TTL
C
BYPASS
= 1 µF
C1
C2
C3
†
C4
†
C3 can be connected to V
CC
or GND.
+
+
−
MAX232E
SLLS723B –APRIL 2006–REVISED NOVEMBER 2009 www.ti.com
APPLICATION INFORMATION
A. Resistor values shown are nominal.
B. Nonpolarized ceramic capacitors are acceptable. If polarized tantalum or electrolytic capacitors are used, they should
be connected as shown. In addition to the 1-μF capacitors shown, the MAX202E can operate with 0.1-μF capacitors.
Figure 4. Typical Operating Circuit
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Product Folder Link(s): MAX232E