ISL31480E_10 Datasheet, PDF (18/24 Pages) Intersil Corporation – Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert

ISL31480E, ISL31483E, ISL31485E, ISL31486E
Typical Performance Curves V_CC = 5V, T_A = +25°C; Unless Otherwise Specified. (Continued)
85
RD = 54Ω, CD = 50pF
80
75
4.0
RD = 54Ω, CD = 50pF
3.5
70
tPLH
65
tPHL
60
55
50
-40 -25
0
25
50
TEMPERATURE (°C)
75 85
FIGURE 14. DRIVER DIFFERENTIAL PROPAGATION
DELAY vs TEMPERATURE
3.0
2.5
|tPLH - tPHL|
2.0
-40 -25
0
25
50
TEMPERATURE (°C)
FIGURE 15. DRIVER DIFFERENTIAL SKEW vs
TEMPERATURE
75 85
25
A
20
B
15
10
5
0
RO
VID = ±1V
DI
5
RO
0
RD = 54Ω, CD = 50pF
5
0
5
0
RO
-5
-10
-15
-20
-25
A
B
TIME (400ns/DIV)
FIGURE 16. ±25V RECEIVER PERFORMANCE
Die Characteristics
3
2
1
0
-1
A/Y - B/Z
-2
-3
TIME (400ns/DIV)
FIGURE 17. DRIVER AND RECEIVER WAVEFORMS
SUBSTRATE POTENTIAL (POWERED UP) AND TDFN EPAD:
GND
PROCESS:
Si Gate BiCMOS
18
FN7638.0
June 25, 2010