ISL32457EIUZ-T7A Intersil, ISL32457EIUZ-T7A Datasheet - Page 14

• Manufacturer Part Number: ISL32457EIUZ-T7A
• Description: RS-422/RS-485 Interface IC 60V OVP POLV -40+85 5V RS-485 1/2 DUP
• Manufacturer: Intersil

Specifications of ISL32457EIUZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 250 Kbps, 1 Mbps
• Operating Supply Voltage: 3.3 V to 5 V
• Supply Current: 4.5 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MSOP-8
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes

Typical Performance Curves
FIGURE 9. DRIVER OUTPUT CURRENT vs DIFFERENTIAL OUTPUT
1000
-200
-400
-600
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
800
600
400
200
80
70
60
50
40
30
20
10
-40
0
0
-70 -60 -50 -40 -30 -20 -10 0
FIGURE 13. BUS PIN CURRENT vs BUS PIN VOLTAGE
FIGURE 11. SUPPLY CURRENT vs TEMPERATURE
0
V
ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E
+85°C
+85°C
Y OR Z
-30 -20 -10
CC
+25°C
VOLTAGE
0.5
= 0V to 5.5V
A/Y OR B/Z
+25°C
V
V
R
CC
CC
D
DIFFERENTIAL OUTPUT VOLTAGE (V)
= 20Ω
1
= 3.3V
= 3.3V
V
1.5
CC
0
BUS PIN VOLTAGE (V)
TEMPERATURE (°C)
= 3.3V
V
V
10
14
2
CC
CC
= 5V
= 5V
20
DE = V
2.5
R
D
30
10 20 30 40 50 60 70
= 30Ω
CC
3
DE = GND, RE = GND
, RE = X
DE = GND, RE = GND
40
DE = V
3.5
50
R
D
CC
V
R
60
4
= 54Ω
CC
D
, RE = X
= 100Ω
= 5V
70
4.5
T
A
80
= +25
5
85
°C
; Unless Otherwise Specified.
FIGURE 10. DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs
FIGURE 12. RECEIVER OUTPUT CURRENT vs RECEIVER OUTPUT
FIGURE 14. DRIVER OUTPUT CURRENT vs SHORT CIRCUIT
-20
-40
-60
-100
-125
3.25
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
80
60
40
20
150
125
100
-25
-50
-75
0
75
50
25
0
-40 -30 -20 -10 0
-60 -50 -40 -30 -20 -10
0
V
V
R
V
OH
OH
R
V
Y OR Z = HIGH
D
CC
V
0.5
D
CC
TEMPERATURE
VOLTAGE
VOLTAGE
, +85°C
CC
, +85°C
= 100Ω
= 54Ω
= 3.3V
= 5V, +85°C
= 5V
1.0
V
CC
RECEIVER OUTPUT VOLTAGE (V)
V
V
Y OR Z = LOW
CC
OH
= 3.3V, +25°C
1.5
, +25°C
= 5V, +25°C
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
2.0
10
20
V
V
2.5
OH
0
OL
V
30
, +25°C
, +85°C
V
CC
V
V
CC
V
10
3.0
CC
OL
CC
= 5V, +25°C
40
= 3.3V
, +25°C
= 3.3V, +25°C
= 3.3V, +85°C
20
3.5
V
50
V
V
CC
CC
CC
30
= 3.3V, +85°C
60
= 5V, +85°C
= 3.3V
V
February 20, 2012
R
R
4.0
V
V
CC
V
D
D
CC
OL
40
OL
V
V
= 100Ω
= 54Ω
70
= 5V
CC
CC
, +85°C
= 3.3V
, +25°C
4.5
50
FN7921.0
= 5V
= 5V
80
85
5.0
60