ISL32450E Datasheet, PDF (15/21 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. (Continued)
300
R_D = 54Ω, C_D = 50pF
290
280
V_CC = 3.3V
270
260
t_PHL
t_PLH
250
240
230
t_PLH
220
t_PHL
V_CC = 5V
210
200
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 85
TEMPERATURE (°C)
FIGURE 15. DRIVER DIFFERENTIAL PROPAGATION DELAY vs
TEMPERATURE (ISL32450E, ISL32452E, ISL32457E)
75
R_D = 54Ω, C_D = 50pF
70
V_CC = 3.3V
t_PLH
t_PHL
65
60
t_PLH
55
V_CC = 5V
t_PHL
50
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 85
TEMPERATURE (°C)
FIGURE 17. DRIVER DIFFERENTIAL PROPAGATION DELAY vs
TEMPERATURE (ISL32453E, ISL32455E)
7
6
5
V_CC = 5V
4
3
2
V_CC = 3.3V
1
|t_PLH - t_PHL|
0
-40 -30 -20 -10 0
10 20 30 40 50 60 70 80 85
TEMPERATURE (°C)
FIGURE 16. DRIVER DIFFERENTIAL SKEW vs TEMPERATURE
(ISL32450E, ISL32452E, ISL32457E)
4.5
4.0
V_CC = 5V
3.5
3.0
2.5
2.0
1.5
V_CC = 3.3V
1.0
0.5
|t_PLH - t_PHL|
0
-40 -30 -20 -10 0
10 20 30 40 50 60 70 80 85
TEMPERATURE (°C)
FIGURE 18. DRIVER DIFFERENTIAL SKEW vs TEMPERATURE
(ISL32453E, ISL32455E)
20
15
10
5
RO
0
A
B
V_CC = 5V
V_CC = 3.3V
VID = ±1V
250kbps
20
15
10
5
RO
0
A
B
V_CC = 5V
V_CC = 3.3V
VID = ±1V
1Mbps
5
RO
0
-5
-10
-15
-20
V_CC = 5V
V_CC = 3.3V
A
B
TIME (1µs/DIV)
FIGURE 19. ±20V RECEIVER PERFORMANCE (ISL32450E,
ISL32452E, ISL32457E)
5
RO
0
-5
-10
-15
-20
V_CC = 5V
V_CC = 3.3V
A
B
TIME (400ns/DIV)
FIGURE 20. ±20V RECEIVER PERFORMANCE (ISL32453E,
ISL32455E)
15
FN7921.0
February 20, 2012