Complete, Isolated RS-485/RS-422
Data Interface
__________________________________________Typical Operating Characteristics
(TV = +=25V°C, ,FuSn=leVss oth, eTrw=ise+2n5o°teCd,.u)nless otherwise noted.)
CC_
A
CC_
A
OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
80
-30
-25
5.00
4.75
4.50
4.25
4.00
3.75
3.50
MEASURED AT ISO RO DRV
MEASURED AT ISO RO DRV
RO
MEASURED AT ISO RO DRV
I
= 8mA
70
60
50
40
30
20
-20
-15
-10
-5
0
10
0
3.25
3.00
0
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
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
0.8
0.7
0.6
0.5
0.4
0.3
0.2
180
160
140
120
100
80
-100
-90
MEASURED AT ISO RO DRV
RO
I
= 8mA
-80
-70
-60
-50
-40
-30
-20
60
40
20
0
0.1
0
-10
0
-40
-20
0
20
40
60
80
-7 -6 -5 -4 -3 -2 -1
0 1 2 3 4 5 6
0
1
2
3
4
5
6
7
8
9 10 11 12
TEMPERATURE (°C)
OUTPUT HIGH VOLTAGE (V)
OUTPUT LOW VOLTAGE (V)
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
MAX1480B/MAX1480C/MAX1490B
SHUTDOWN CURRENT vs. TEMPERATURE
80
70
60
50
40
30
20
3.0
2.9
0.40
DI´ = HIGH OR OPEN
DI´ = HIGH OR OPEN
SD = V , DI´ = V
CC_
CC_
R = 54Ω
L
0.35
0.30
0.25
0.20
0.15
0.10
DE´ (MAX1480B/C ONLY) = V
CC_
CC2
2.8
2.7
2.6
MEASURED AT V AND V
CC1
2.5
2.4
2.3
2.2
10
0
0.05
0
2.1
2.0
0
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 ]
