Datasheet

MAX1480A/B/C, MAX1490A/B
Complete, Isolated RS-485/RS-422
Data Interface
_______________________________________________________________________________________ 7
_____________________________Typical Operating Characteristics (continued)
(V
CC_
= 5V, FS = V
CC_
, T
A
= +25°C, unless otherwise noted.)
0
60
40
20
80
100
120
140
160
MAX1480A
SUPPLY CURRENT vs. TEMPERATURE
MAX1480/90A/B-10
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
-40 -20 0 20 40 60 80
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 4.5V
R
L
= 54Ω
R
L
= ∞
V
CC
= 4.5V
DE´ = V
CC
20
60
40
80
100
120
140
MAX1480B
SUPPLY CURRENT vs. TEMPERATURE
MAX1480/90A/B-11
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
-40 -20 0 20 40 60 80
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 5.5V
V
CC
= 5.0V
R
L
= 54Ω
R
L
= ∞
DE´ = V
CC
V
CC
= 4.5V
V
CC
= 4.5V
20
70
60
50
30
40
80
90
100
110
120
MAX1480C
SUPPLY CURRENT vs. TEMPERATURE
MAX1480/90A/B-12
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
-40 -20 0 20 40 60 80
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 4.5V
R
L
= 54Ω
R
L
= ∞
V
CC
= 4.5V
DE´ = V
CC
80
120
100
140
160
180
200
MAX1490A
SUPPLY CURRENT vs. TEMPERATURE
MAX1480/90A/B-13
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
-40 -20 0 20 40 60 80
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 4.5V
R
L
= 54Ω
R
L
= ∞
V
CC
= 4.5V
50
100
90
80
60
70
110
120
130
140
150
MAX1490B
SUPPLY CURRENT vs. TEMPERATURE
MAX1480/90A/B-14
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
-40 -20 0 20 40 60 80
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 5.5V
V
CC
= 5.0V
V
CC
= 4.5V
R
L
= 54Ω
R
L
= ∞
V
CC
= 4.5V
0.1
10
1
100
DRIVER DISABLE TIME
vs. TEMPERATURE
MAX1480/90A/B-15a
TEMPERATURE (°C)
DRIVER DISABLE TIME (μs)
-40 -20 0 20 40 60 80
MAX1480A
MAX1480B
MAX1480C
R
L
= 54Ω
V
DI´
= 0V MEASURED FROM
DE´ TO VALID OUTPUT
0.1
10
1
100
DRIVER ENABLE TIME
vs. TEMPERATURE
MAX1480/90A/B-15b
TEMPERATURE (°C)
DRIVER ENABLE TIME (μs)
-40 -20 0 20 40 60 80
MAX1480A
MAX1480C
MAX1480B
R
L
= 54Ω
V
DI´
= 0V MEASURED FROM
DE´ TO VALID OUTPUT