Datasheet

MAX3291/MAX3292
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
6 _______________________________________________________________________________________
____________________________________Typical Operating Characteristics (continued)
(V
CC
= +5V, T
A
= +25°C, unless otherwise noted.)
0
0.75
0.50
0.25
1.75
1.50
1.25
1.00
2.00
2.75
2.50
2.25
3.00
-40 0 20-20 40 60 80
100
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
MAX3291/2-12
TEMPERATURE (°C)
NO-LOAD SUPPLY CURRENT (mA)
0
20
10
40
30
60
50
70
0 1.0 1.50.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT SINK CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
MAX3291/2-13
OUTPUT LOW VOLTAGE (V)
OUTPUT SINK CURRENT (mA)
0
0.10
0.05
0.15
0.20
0.25
0.30
-40 0 20-20 40 60 80
100
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
MAX3291/2-10
TEMPERATURE (°C)
OUTPUT LOW VOLTAGE (V)
I
RO
= 8mA
0
5
15
10
25
20
30
0 1.0 1.50.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT SOURCE CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
MAX3291/2-14
OUTPUT HIGH VOLTAGE (V)
OUTPUT SOURCE CURRENT (mA)
4.10
4.25
4.20
4.15
4.35
4.30
4.45
4.40
4.55
4.50
4.60
-40 0 20-20 40 60 80
100
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
MAX3291/2-11
TEMPERATURE (°C)
OUTPUT HIGH VOLTAGE (V)
I
RO
= 8mA
DRIVER PROPAGATION DELAY
MAX3291/2-09
20ns/div
V
Y
- V
Z
DI
2.5V/
div
5V/
div