ISL32437EIBZ-T7A Intersil, ISL32437EIBZ-T7A Datasheet - Page 5

• Manufacturer Part Number: ISL32437EIBZ-T7A
• Description: RS-422/RS-485 Interface IC 40V OVP 15V CMR -40+ 85 3V RS-485 1/2 DUP
• Manufacturer: Intersil

Specifications of ISL32437EIBZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 250 Kbps
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 2.1 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 1
• Number Of Receivers: 1
• Shutdown: No

Typical Operating Circuits
ISL32430E, ISL32432E, ISL32433E, ISL32435E, ISL32437E
2
3
4
5
1
2
3
4
2
1
3
4
RO
RE
DE
RO
RE
DE
DI
INV
RO
DE
DI
DI
D
D
D
R
R
R
14
+3.3V
+3.3V
+3.3V
8
8
GND
GND
V
GND
V
V
CC
5
CC
CC
ISL32437E HALF DUPLEX NETWORK USING CABLE INVERT FUNCTION
5
6, 7
5
A/Y
B/Z
A
B
B/Z
A/Y
Z
Y
12
11
10
9
THE IC ON THE LEFT HAS THE CABLE CONNECTIONS
SWAPPED, SO THE INV PIN IS STRAPPED HIGH TO
INVERT THE RX AND TX POLARITY
+
7
6
6
7
0.1µF
+
+
ISL32432E, ISL32435E HALF DUPLEX NETWORK
ISL32430E, ISL32433E FULL DUPLEX NETWORK
R
0.1µF
0.1µF
T
R
R
T
T
SOIC PINOUT SHOWN
R
R
0.1µF
T
T
R
0.1µF
0.1µF
T
+
+
+
7
6
10
11
12
9
7
6
B/Z
A/Y
Y
Z
B
A
A/Y
B/Z
GND
+3.3V
V
GND
+3.3V
V
CC
+3.3V
CC
V
GND
5
6, 7
8
5
CC
14
8
R
R
D
D
R
D
RO
RO
DE
RE
DE
RE
DI
DI
INV
RO
DE
DI
5
4
4
3
3
2
2
1
1
3
4
2
March 1, 2012
FN7920.0