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