MAX3232
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
SLLS410E – JANUARY 2000 – REVISED DECEMBER 2001
APPLICATION INFORMATION
1
VCC 16
+ CBYPASS
– = 0.1µF
2
†+
C3
–
3
V+
GND
15
C1+
+
C1
–
14
C1–
13
C2+
5 kΩ
DOUT1
4
+
C2
–
RIN1
5 C2–
12
6
C4
DOUT2
–
+
7
10
DIN2
V–
11
ROUT1
DIN1
RIN2
8
5 kΩ
9
ROUT2
† C3 can be connected to VCC or GND.
VCC vs CAPACITOR VALUES
VCC
3.3 V
±
0.3 V
5 V
±
0.5 V
3 V to 5.5 V
C1
0.1
µF
0.047
µF
0.1
µF
C2, C3, C4
0.1
µF
0.33
µF
0.47
µF
Figure 4. Typical Operating Circuit and Capacitor Values
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
7