Datasheet
MAX1480E/MAX1490E
±15kV ESD-Protected, Isolated RS-485/RS-422
Data Interfaces
_______________________________________________________________________________________ 5
0
OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
MAX1480E/90E TOC01
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
1.5
10
20
30
40
50
60
70
80
MEASURED AT ISO RO DRV
1.00.50 3.53.02.52.0 5.04.54.0
0
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
MAX1480E/90E TOC02
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
1.5
-5
MEASURED AT ISO RO DRV
1.00.50 3.53.02.52.0 5.04.54.0
-10
-15
-20
-25
-30
3.00
-40 20
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
MAX1480E/90E TOC03
TEMPERATURE (°C)
OUTPUT HIGH VOLTAGE (V)
0-20 6040 80
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
MEASURED AT ISO RO DRV
I
RO
= 8mA
0
-40 20
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
MAX1480E/90E TOC04
TEMPERATURE (°C)
OUTPUT LOW VOLTAGE (V)
0-20 6040 80
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
MEASURED AT ISO RO DRV
I
RO
= 8mA
0
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
MAX1480E/90E TOC07
DIFFERENTIAL OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
1.5
10
20
30
40
50
60
70
80
DI´ = HIGH OR OPEN
1.00.50 3.53.02.52.0 5.04.54.0
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
MAX1480E/90E TOC05
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
0
160
180
140
100
120
80
40
60
0
20
123456789101112
0
-7
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
MAX1480E/90E TOC06
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-6 -5 -4 -3 -2 -1 1 2 3 4 5 6
2.0
-40 20
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
MAX1480E/90E TOC08
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE (V)
0-20 6040 80
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
DI´ = HIGH OR OPEN
R
L
= 54Ω
0
-40 20
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX1480E/90E TOC09
TEMPERATURE (°C)
SHUTDOWN CURRENT (µA)
0-20 6040 80
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
SD = V
CC_
, DI´ = V
CC_
DE´= V
CC_
(MAX1480EC ONLY)
MEASURED AT V
CC1
AND V
CC2
__________________________________________Typical Operating Characteristics
(V
CC_
= +5V, V
FS
= V
CC_
, Figures 1 and 2, T
A
= +25°C, unless otherwise noted.)