ꢀ
ꢁ
ꢂ
ꢃꢄ
ꢅ
ꢃ
ꢞ
ꢃ
ꢆ
ꢇ
ꢈꢉ
ꢊ
ꢋ
ꢊꢆ
ꢇ
ꢀ
ꢌ
ꢍꢈ
ꢎ
ꢏ
ꢐ
ꢁ
ꢑ
ꢑ
ꢒ
ꢍ
ꢓ
ꢔ
ꢆ
ꢄ
ꢃ
ꢄ
ꢍ
ꢎ
ꢑ
ꢒ
ꢕ
ꢓ
ꢎ
ꢇ
ꢒ
ꢓ
ꢖ
ꢓ
ꢒ
ꢏ
ꢒ
ꢎ
ꢇ
ꢒ
ꢓ
ꢗ
ꢎ
ꢈ
ꢐ
ꢘ
ꢊꢆ
ꢙ
ꢇ
ꢒ
ꢔ
ꢕ
ꢚ
ꢐ
ꢛ
ꢀ
ꢜ
ꢝ
ꢓ
ꢉ
ꢈꢒ
ꢏ
ꢈꢎ
ꢉ
ꢑ
SLLS350L − APRIL 1999 − REVISED MARCH 2004
APPLICATION INFORMATION
28
27
C1+
V+
1
2
C2+
C2−
+
−
+
C2
−
†
C3
+
−
C1
26
V
CC
GND
C1−
+
−
C
BYPASS
= 0.1 µF
3
25
24
23
V−
−
C4
+
4
5
6
7
8
RIN1
RIN2
FORCEON
FORCEOFF
RIN3
22
RS-232 Inputs
RIN4
RIN5
21
20
INVALID
ROUT2B
9
DOUT1
DOUT2
19
18
17
10
ROUT1
ROUT2
RS-232 Outputs
5 kΩ
11
DOUT3
5 kΩ
Logic Outputs
12
13
14
DIN3
DIN2
DIN1
ROUT3
5 kΩ
16
15
Logic Inputs
ROUT4
ROUT5
5 kΩ
5 kΩ
V
vs CAPACITOR VALUES
CC
†
C3 can be connected to V
or GND.
NOTES: A. Resistor values shown are nominal.
CC
V
C1
C2, C3, and C4
CC
B. Nonpolarized ceramic capacitors are acceptable. If polarized
tantalum or electrolytic capacitors are used, they should be
connected as shown.
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 6. Typical Operating Circuit and Capacitor Values
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
