Complete, Isolated RS-485/RS-422
Data Interface
MAX1480A/B/C, MAX1490A/B
__________________________________________Typical Operating Characteristics
(V
CC_
= 5V, FS = V
CC_
, T
A
= +25°C, unless otherwise noted.)
(T
A
= +25°C, unless otherwise noted.)
OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
MAX1480/90A/B-01
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
MAX1480/90A/B-02
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
4.75
OUTPUT HIGH VOLTAGE (V)
4.50
4.25
4.00
3.75
3.50
3.25
3.00
MEASURED AT ISO RO DRV
I
RO
= 8mA
MAX1480/90A/B-03
80
70
OUTPUT CURRENT (mA)
60
50
40
30
20
10
0
0
MEASURED AT ISO RO DRV
-30
-25
OUTPUT CURRENT (mA)
-20
-15
-10
-5
0
MEASURED AT ISO RO DRV
5.00
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT LOW VOLTAGE (V)
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT HIGH VOLTAGE (V)
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
MAX1480/90A/B-04
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
MAX1480/90A/B-05
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
-90
-80
OUTPUT CURRENT (mA)
-70
-60
-50
-40
-30
-20
-10
0
MAX1480/90A/B-06
0.8
0.7
OUTPUT LOW VOLTAGE (V)
0.6
0.5
0.4
0.3
0.2
0.1
0
-40
MEASURED AT ISO RO DRV
I
RO
= 8mA
180
160
OUTPUT CURRENT (mA)
140
120
100
80
60
40
20
0
-100
-20
0
20
40
60
80
0
1
2
3 4
5
6
7 8
9 10 11 12
-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
OUTPUT HIGH VOLTAGE (V)
TEMPERATURE (°C)
OUTPUT LOW VOLTAGE (V)
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
MAX1480/90A/B-07
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
MAX1480/90A/B-08
MAX1480B/MAX1480C/MAX1490B
SHUTDOWN CURRENT vs. TEMPERATURE
0.35
SHUTDOWN CURRENT (µA)
0.30
0.25
0.20
0.15
0.10
0.05
0
SD = V
CC_
, DI
´
= V
CC_
DE
´
(MAX1480B/C ONLY) = V
CC_
MEASURED AT V
CC1
AND V
CC2
MAX1480/90A/B-09
80
DI
´
= HIGH OR OPEN
70
OUTPUT CURRENT (mA)
60
50
40
30
20
10
0
0
3.0
DIFFERENTIAL OUTPUT VOLTAGE (V)
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
DI
´
= HIGH OR OPEN
R
L
= 54Ω
0.40
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
DIFFERENTIAL OUTPUT VOLTAGE (V)
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
TEMPERATURE (°C)
6
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
