Datasheet

www.ti.com
APPLICATION INFORMATION
C
BYPASS
= 0.1 µF
Auto-
powerdown
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
V
CC
vs CAPACITOR VALUES
FORCEOFF
+
−
+
−
+
−
+
−
+
−
1
8
2
3
5
6
7
4
16
13
12
11
10
9
15
14
V
CC
GND
C1+
V+
C2+
C1−
C2−
V−
DOUT
FORCEON
DIN
INVALID
ROUT
EN
RIN
C1
C2
C4
5 kΩ
C3
(1)
(1) 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.
TRS3221E
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ± 15-kV IEC ESD PROTECTION
SLLS792 – JUNE 2007
Figure 6. Typical Operating Circuit and Capacitor Values
10
Submit Documentation Feedback