ISL3159E Datasheet, PDF (12/16 Pages) Intersil Corporation – ±15kV ESD Protected, +125°C, 40Mbps, 5V, PROFIBUS®, Full Fail-safe, RS-485/RS-422 Transceivers

ISL3159E
Typical Performance Curves V_CC = 5V, T_A = +25°C; Unless Otherwise Specified (Continued)
9.0
8.8
8.6
8.4
t_PHL
8.2
8.0
7.8
7.6
t_PLH
7.4
7.2
7.0
-40
-15
10
35
60
85
110 125
TEMPERATURE (°C)
FIGURE 12. DRIVER DIFFERENTIAL PROPAGATION DELAY
vs TEMPERATURE
0.9
|t_PLH - t_PHL|
0.8
0.7
0.6
0.5
0.4
0.3
-40
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 13. DRIVER DIFFERENTIAL SKEW vs
TEMPERATURE
110 125
DI
5
0
R_DIFF = 54Ω, C_D = 50pF
5
0
RO
DI
5
0
R_DIFF = 54Ω, C_D = 50pF
5
0
RO
3
2
1
0
Y-Z
-1
-2
-3
TIME (5ns/DIV)
FIGURE 14. DRIVER AND RECEIVER WAVEFORMS
3
2
1
0
Y-Z
-1
-2
-3
TIME (5ns/DIV)
FIGURE 15. DRIVER AND RECEIVER WAVEFORMS
DI = 40Mbps
5
0
5.0
RO
0
DRIVER+CABLE DELAY (~156ns)
3.0
1.5
A-B
0
-1.5
-3.0
TIME (10ns/DIV)
FIGURE 16. DRIVER AND RECEIVER WAVEFORMS DRIVING
100 FEET (31 METERS) OF CAT5 CABLE
(DOUBLE TERMINATED WITH 120Ω)
DI = 40Mbps
5
0
5.0
RO
0
DRIVER+CABLE DELAY (~480ns)
3.0
1.5
A-B
0
-1.5
-3.0
TIME (10ns/DIV)
FIGURE 17. DRIVER AND RECEIVER WAVEFORMS DRIVING
350 FEET (107 METERS) OF CAT5 CABLE
(DOUBLE TERMINATED WITH 120Ω)
12
FN6364.0
July 26, 2007