Datasheet

RIN4
DOUT2
DOUT3
ROUT1
FORCEOFF
RIN5
INVALID
ROUT2
DOUT1
ROUT2B
DIN3
DIN2
ROUT3
ROUT4
DIN1
ROUT5
C4
+
−
+
−
C3
†
V
CC
C2+
C2−
C1
C1+
GND
V−
C1−
FORCEON
C2
+
−
C
BYPASS
= 0.1 µF
V+
+
−
+
−
RIN1
RIN2
RIN3
RS-232 Inputs
Logic Outputs
Logic Inputs
RS-232 Outputs
V
CC
C1 C2, C3, and 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
†
C3 can be connected to V
CC
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.
V
CC
vs CAPACITOR VALUES
Auto-
powerdown
1
2
4
5
6
7
8
9
10
11
12
13
14
3
28
27
26
25
24
23
22
21
20
19
18
17
16
15
5 kΩ
5 kΩ
5 kΩ
5 kΩ
5 kΩ
MAX3243E
SLLS657D –APRIL 2005– REVISED SEPTEMBER 2011 www.ti.com
APPLICATION INFORMATION
Figure 6. Typical Operating Circuit and Capacitor Values
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