+5V-Powered, Multichannel RS-232
Drivers/Receivers
__________________________________________Typical Operating Characteristics
MAX220/MAX222/MAX232A/MAX233A/MAX242/MAX243
AVAILABLE OUTPUT CURRENT
vs. DATA RATE
MAX222/MAX242
ON-TIME EXITING SHUTDOWN
OUTPUT VOLTAGE vs. LOAD CURRENT
10
8
11
10
+10V
1µF
V+
OUTPUT LOAD CURRENT
FLOWS FROM V+ TO V-
1µF CAPS
EITHER V+ OR V- LOADED
V+
6
0.1µF CAPS
+5V
+5V
ALL CAPS
0.1µF
1µF
V
= 5V
CC
9
8
7
6
5
4
4
1µF
NO LOAD ON
SHDN
V
= +5.25V
= +4.75V
0V
0V
2
0
TRANSMITTER OUTPUTS
(EXCEPT MAX220, MAX233A)
CC
ALL CAPS
0.1µF
V- LOADED, NO LOAD ON V+
-2
-4
-6
-8
-10
V
CC
1µF CAPS
0.1µF
0.1µF CAPS
V-
V-
V+ LOADED, NO LOAD ON V-
10 15 20 25
LOAD CURRENT (mA)
-10V
0
5
0
10
20
30
40
50
60
500µs/div
DATA RATE (kbits/sec)
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
