SLLS567E − MAY 2003 − REVISED JANUARY 2004
MAX211
5 V MULTICHANNEL RS 232 LINE DRIVER/RECEIVER
WITH
±15
kV ESD PROTECTION
APPLICATION INFORMATION
DOUT3
DOUT1
DOUT2
RIN2
1
2
3
4
26
5 kΩ
25
24
23
5V
5 kΩ
400 kΩ
DIN2
6
5V
400 kΩ
DIN1
ROUT1
7
400 kΩ
8
21
DIN4
5V
22
ROUT4
ROUT3
SHDN
EN
RIN4
5 kΩ
28
27
DOUT4
RIN3
ROUT2
5
RIN1
GND
−
+
VCC
C3 † =
0.1
µF
6.3 V
−
+
CBYPASS
= 0.1µF
9
10
5 kΩ
5V
400 kΩ
20
DIN3
11
VCC
19
ROUT5
18
12
13
C1+
V+
V−
14
C1−
17
5 kΩ
RIN5
C4 =
0.1
µF
16 V
−
+
C1 =
0.1
µF
6.3 V
+
−
C2−
16
−
+
C2 =
0.1
µF
16 V
C2+
15
† C3 can be connected to VCC or GND.
NOTES: 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.
Figure 6. Typical Operating Circuit and Capacitor Values
10
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
