ISL32450E Datasheet, PDF (14/21 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 Performance Curves T_A = +25°C; Unless Otherwise Specified.
80
R_D = 20Ω
70
+25°C
60 _+85°C
50 +25°C
R_D = 30Ω
R_D = 54Ω
40
+85°C
30
R_D = 100Ω
20
V_CC = 5V
10
V_CC = 3.3V
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
DIFFERENTIAL OUTPUT VOLTAGE (V)
FIGURE 9. DRIVER OUTPUT CURRENT vs DIFFERENTIAL OUTPUT
VOLTAGE
3.25
3.00
2.75
2.50
2.25
V_CC = 5V
R_D = 54Ω
V_CC = 5V
R_D = 100Ω
2.00
1.75
R_D = 100Ω
V_CC = 3.3V
1.50
R_D = 54Ω
1.25
V_CC = 3.3V
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 85
TEMPERATURE (°C)
FIGURE 10. DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs
TEMPERATURE
2.2
DE = V_CC, RE = X
2.1
V_CC = 5V
2.0
DE = GND, RE = GND
1.9
V_CC = 5V
1.8
DE = V_CC, RE = X
1.7
1.6
V_CC = 3.3V
DE = GND, RE = GND
1.5
V_CC = 3.3V
1.4
-40 -30 -20 -10 0
10 20 30 40 50 60 70 80 85
TEMPERATURE (°C)
FIGURE 11. SUPPLY CURRENT vs TEMPERATURE
80
V_OL, +25°C
60
V_CC = 5V
V_OL, +85°C
40
V_OL, +25°C
V_CC = 3.3V
20
V_OL, +85°C
0
V_CC = 3.3V
V_OH, +85°C
-20
V_OH, +25°C
V_OH, +85°C
-40
V_OH, +25°C
V_CC = 5V
-60
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
RECEIVER OUTPUT VOLTAGE (V)
FIGURE 12. RECEIVER OUTPUT CURRENT vs RECEIVER OUTPUT
VOLTAGE
1000
V_CC = 0V to 5.5V
800
600
400
200
Y OR Z
0
-200
-400
A/Y OR B/Z
-600
-70 -60 -50 -40 -30 -20 -10 0
10 20 30 40 50 60 70
BUS PIN VOLTAGE (V)
FIGURE 13. BUS PIN CURRENT vs BUS PIN VOLTAGE
150
125
V_CC = 5V, +25°C
V_CC = 5V, +85°C
V_CC = 3.3V, +25°C
100
V_CC = 3.3V, +85°C
75
Y OR Z = LOW
50
25
0
-25
-50
-75
-100
-125
Y OR Z = HIGH
V_CC = 5V, +85°C
V_CC = 3.3V, +25°C
V_CC = 3.3V, +85°C
V_CC = 5V, +25°C
-60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60
OUTPUT VOLTAGE (V)
FIGURE 14. DRIVER OUTPUT CURRENT vs SHORT CIRCUIT
VOLTAGE
14
FN7921.0
February 20, 2012