ISL32179E Intersil Corporation, ISL32179E Datasheet - Page 5

• Manufacturer Part Number: ISL32179E
• Description: (ISL32172E - ISL32179E) RS-422 Transmitters
• Manufacturer: Intersil Corporation

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Typical Operating Circuits (1 of 4 Channels Shown)
ISL32172E, ISL32272E, ISL32372E, ISL32174E, ISL32274E, ISL32374E, ISL32179E
USING INDIVIDUAL CHANNEL ENABLES AND
CONFIGURED FOR LOWEST SHDN SUPPLY CURRENT
NOTE: POWER-UP V
LOGIC
DEVICE
(µP, ASIC,
UART)
V
CC
12
4
3
3
RO
EN
RO1
EN12
15 EN
1
2
9 SHDNEN
4 EN
+3.3V TO 5V
ISL32x73E
+3.3V TO 5V
NETWORK WITH V
RO1
EN1
ISL32x75E
1.8V
V
R
R
CC
GND
GND
L
21
16
16
BEFORE V
8
8
V
V
5
R
GND
CC
CC
+3.3V TO 5V
ISL32x77E
22
EN
10
V
4
CC
A1
B1
A
B
L
2
1
2
1
A1
B1
+
+
24
23
0.1µF
0.1µF
L
R
R
PIN FOR INTERFACING TO LOWER VOLTAGE LOGIC DEVICES
+
T
T
0.1µF
NETWORK USING GROUP ENABLES
NETWORK USING PAIRED ENABLES
R
T
0.1µF
USING ACTIVE HIGH GROUP ENABLE AND
CONFIGURED FOR LOWEST SHDN SUPPLY CURRENT
NOTE: POWER-UP V
+
0.1µF
0.1µF
24
1
+3.3V TO 5V
Y
Z
+
+
ISL32179E
2
3
+3.3V TO 5V
2
3
V
CC
GND
Y
Y1
Z
Z1
21
+3.3V TO 5V
ISL32x74E
SHDNEN
EN1-EN4
CC
9
ISL32x72E
16
V
V
D
CC
CC
BEFORE V
GND
GND
2.5V
EN
EN
16
V
DI
20
L
8
8
D
D
22
14
2,3,15,16
23
4
EN12
EN
EN 12
DI1
DI
L
4
4
1
1
December 16, 2008
LOGIC
DEVICE
µP, ASIC,
UART)
V
CC
FN6824.0