ISL4485E Datasheet, PDF (10/11 Pages) Intersil Corporation – ±15kV ESD Protected, 20Mbps, 5V, Low Power, RS-485/RS-422 Transceiver

ISL4485E
Typical Performance Curves V_CC = 5V, T_A = 25^oC; Unless Otherwise Specified (Continued)
DI
5
RO
0
R_DIFF = 54Ω, C_L = 100pF
5
0
DI
5
RO
0
R_DIFF = 54Ω, C_L = 100pF
5
0
4
B/Z
3
2
A/Y
1
0
TIME (10ns/DIV)
FIGURE 15. DRIVER AND RECEIVER WAVEFORMS,
LOW TO HIGH
4
3
A/Y
2
B/Z
1
0
TIME (10ns/DIV)
FIGURE 16. DRIVER AND RECEIVER WAVEFORMS,
HIGH TO LOW
160
140
120
Y OR Z = LOW
100
80
60
40
20
0
-20
Y OR Z = HIGH
-40
-60
-80
-100
-120
-7 -6 -4 -2 0
2
4
6
OUTPUT VOLTAGE (V)
8 10 12
FIGURE 17. DRIVER OUTPUT CURRENT vs SHORT CIRCUIT VOLTAGE
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
TRANSISTOR COUNT:
518
PROCESS:
Si Gate CMOS
10