ISL32470E Datasheet, PDF (16/19 Pages) Intersil Corporation – Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers

ISL32470E, ISL32472E, ISL32475E, ISL32478E
Typical Performance Curves V_CC = 5V, T_A = +25°C; Unless Otherwise Specified. (Continued)
A
15
B
10
5
RO
0
V_ID = ±1V
DI
5
RO
0
R_D = 54Ω, C_D = 50pF
5
0
5
RO
0
-5
-10
A
-15
B
TIME (20ns/DIV)
FIGURE 24. RECEIVER PERFORMANCE WITH ±15V CMV
(ISL32478E)
3
2
1
A/Y - B/Z
0
-1
-2
-3
TIME (1µs/DIV)
FIGURE 25. DRIVER AND RECEIVER WAVEFORMS (ISL32470E,
ISL32472E)
DI
5
RO
0
R_D = 54Ω, C_D = 50pF
5
0
3
2
1
0
-1
A/Y - B/Z
-2
-3
TIME (400ns/DIV)
FIGURE 26. DRIVER AND RECEIVER WAVEFORMS (ISL32475E)
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
PROCESS:
Si Gate BiCMOS
DI
5
RO
0
R_D = 54Ω, C_D = 50pF
5
0
3
2
1
0
A/Y - B/Z
-1
-2
-3
TIME (20ns/DIV)
FIGURE 27. DRIVER AND RECEIVER WAVEFORMS (ISL32478E)
16
FN7784.0
January 21, 2011