ISL32450E Datasheet, PDF (5/21 Pages) Intersil Corporation – ±60V Fault Protected, 3.3V to 5V, ±20V Common Mode Range, RS-485/RS-422 Transceivers with Cable Invert and ±15kV ESD

ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E
Typical Operating Circuits
+3.3V
+
0.1µF
14
V_{CC A 12}
R_T
2 RO _R
B 11
3 RE
4 DE
5 DI
D
Z 10
Y9
GND
6, 7
SOIC PINOUT SHOWN
+3.3V
+
0.1µF
14
9 Y ^VCC
10 Z
DI 5
D
DE 4
R_T
11 B
12 A
RE 3
R ^{RO 2}
GND
6, 7
ISL32450E, ISL32453E FULL DUPLEX NETWORK
+3.3V
+
8
0.1µF
V_CC
1 RO _R
2 _RE
B/Z 7
R_T
3 DE
A/Y 6
+3.3V
+
0.1µF
8
V_CC
R_T
7 B/Z
6 A/Y
DI 4
D
DE ³
RE 2
4 DI
D
GND
5
R
GND
5
RO 1
ISL32452E, ISL32455E HALF DUPLEX NETWORK
2
INV
1 RO
3 DE
+3.3V
8
V_CC
R
A/Y
B/Z
+
0.1µF
6
R_T
7
+
0.1µF
+3.3V
8
V_CC
R_T
7 B/Z
R ^{RO 1}
6 A/Y
DE 3
4 DI
D
GND
5
THE IC ON THE LEFT HAS THE CABLE CONNECTIONS
SWAPPED, SO THE INV PIN IS STRAPPED HIGH TO
INVERT THE RX AND TX POLARITY
GND
5
DI 4
D
2
INV
ISL32457E HALF DUPLEX NETWORK USING CABLE INVERT FUNCTION
5
FN7921.0
February 20, 2012