MAX3480A Просмотр технического описания (PDF) - Maxim Integrated
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MAX3480A Datasheet PDF : 16 Pages
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Complete, Isolated, 3.3V
RS-485/RS-422 Data Interface
__________________________________________Typical Operating Characteristics
(VCC_ = 3.3V, TA = +25°C, unless otherwise noted.)
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
3.0
DI´ = HIGH OR OPEN
2.9 RL = 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)
OUTPUT CURRENT
vs. DRIVER OUTPUT HIGH VOLTAGE
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-6 -4 -2 0 2 4 6
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT
vs. DRIVER OUTPUT LOW VOLTAGE
180
160
140
120
100
80
60
40
20
0
0
2
4
6
8 10 12
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)
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. RECEIVER OUTPUT LOW VOLTAGE
80
MEASURED AT ISO RO DRV
70
60
50
40
30
20
10
0
0
1.0 2.0 3.0 4.0 5.0
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT
vs. RECEIVER OUTPUT HIGH VOLTAGE
-30
MEASURED AT ISO RO DRV
-25
-20
-15
-10
-5
0
0
1.0 2.0 3.0 4.0 5.0
OUTPUT HIGH VOLTAGE (V)
_______________________________________________________________________________________ 5
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