MAX13448E Datasheet, PDF (6/14 Pages) Maxim Integrated Products – 80V Fault-Protected Full-Duplex RS-485 Transceiver

±80V Fault-Protected Full-Duplex
RS-485 Transceiver
(V_CC = +3.3V, T_A = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT vs. TEMPERATURE
4.20
DE = RE = LOW
A - B = HIGH
DI = FLOATING
4.15
4.10
4.05
-40 -15
10
35
60
85
TEMPERATURE (°C)
RECEIVER OUTPUT SOURCE CURRENT
vs. OUTPUT HIGH VOLTAGE
3.4
3.2
-40°C
3.0
2.8
2.6
+25°C
2.4
2.2 _{DE = RE = LOW}
+85°C
A - B = HIGH
2.0
0
2
4
6
8
10
OUTPUT SOURCE CURRENT (mA)
RECEIVER OUTPUT SINK CURRENT
vs. OUTPUT LOW VOLTAGE
0.9
DE = RE = LOW
0.8 _{B - A = HIGH}
0.7
0.6
0.5
+85°C
0.4
0.3
0.2
0.1
0
0
+25°C
-40°C
2
4
6
8
10
OUTPUT SINK CURRENT (mA)
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
3.25
3.24
3.23
3.22
3.21 _{DE = RE = LOW}
A - B = HIGH
I_SOURCE = 1mA
3.20
-40 -15
10
35
60
85
TEMPERATURE (°C)
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
0.075
0.070
0.065
DE = RE = LOW
B - A = HIGH
I_SINK = 1mA
0.060
0.055
0.050
0.045
0.040
-40 -15
10
35
60
85
TEMPERATURE (°C)
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs. DIFFERENTIAL OUTPUT CURRENT
3.5
DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs. TEMPERATURE
1.94
3.0
1.92
2.5
1.90
2.0
1.5
DE = RE = HIGH
DI = HIGH
1.0
0
20
40
60
80 100
DIFFERENTIAL OUTPUT CURRENT (mA)
1.88
DE = RE = HIGH
DI = HIGH
R_LOAD = 54Ω
1.86
-40 -15
10
35
60
85
TEMPERATURE (°C)
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