MAX1480A_05 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – Complete, Isolated RS-485/RS-422 Data Interface

Complete, Isolated RS-485/RS-422
Data Interface
__________________________________________Typical Operating Characteristics
(TV_ACC=_{_}+=25V°C, ,FuSn=leVss_CCo_{_}th, eTr_Aw=ise+2n5o°teCd, .u)nless otherwise noted.)
OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
80
MEASURED AT ISO RO DRV
70
60
50
40
30
20
10
0
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)
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
0.8
MEASURED AT ISO RO DRV
0.7 ^{IRO = 8mA}
0.6
0.5
0.4
0.3
0.2
0.1
0
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
80
DI´ = HIGH OR OPEN
70
60
50
40
30
20
10
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)
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
-30
MEASURED AT ISO RO DRV
-25
-20
-15
-10
-5
0
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)
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
180
160
140
120
100
80
60
40
20
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT LOW VOLTAGE (V)
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
3.0
2.9
DI´ = HIGH OR OPEN
R_L = 54Ω
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
5.00
MEASURED AT ISO RO DRV
4.75 ^{IRO = 8mA}
4.50
4.25
4.00
3.75
3.50
3.25
3.00
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
OUTPUT HIGH VOLTAGE (V)
MAX1480B/MAX1480C/MAX1490B
SHUTDOWN CURRENT vs. TEMPERATURE
0.40
SD = V_{CC_}, DI´ = V_{CC_}
0.35 _{DE´ (MAX1480B/C ONLY) = VCC_}
MEASURED AT V_CC1 AND V_CC2
0.30
0.25
0.20
0.15
0.10
0.05
0
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
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