ꢀ ꢁꢂꢃ ꢄ ꢃ ꢅ ꢀ ꢁꢂ ꢃ ꢄꢃ ꢆ
ꢇꢈꢁ ꢉ ꢊꢆ ꢁꢋꢃ ꢄ ꢃ ꢇꢌꢆ ꢍꢊ ꢌꢎꢏꢌ ꢊ ꢐꢊ ꢆ ꢍꢊ ꢌ ꢎ
ꢑ
ꢑ
SLLS047L − FEBRUARY 1989 − REVISED MARCH 2004
APPLICATION INFORMATION
5 V
+
−
C
=1µF
BYPASS
16
†
C3
1 µF
V
CC
1
3
4
5
2
C1+
C1−
C2+
C2−
8.5 V
−8.5 V
V
C1
1 µF
S+
6
V
S−
C4
1 µF
C2
1 µF
+
14
11
EIA-232 Output
EIA-232 Output
EIA-232 Input
EIA-232 Input
From CMOS or TTL
To CMOS or TTL
10
12
7
13
8
9
0 V
15
GND
†
C3 can be connected to V
or GND.
NOTES: A. Resistor values shown are nominal.
CC
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 MAX202 can operate with 0.1-µF capacitors.
Figure 4. Typical Operating Circuit
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
