MAX14770E_13 Datasheet, PDF (9/16 Pages) Maxim Integrated Products – High-ESD Profibus RS-485 Transceiver

MAX14770E
High-ESD Profibus RS-485 Transceiver
(VCC = +5V, TA = +25NC, unless otherwise noted.)
Typical Operating Characteristics
NO-LOAD DC SUPPLY CURRENT
vs. TEMPERATURE
2.5
DE = VCC
2.0
1.5
DE = GND
1.0
0.5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RECEIVER OUTPUT RO CURRENT
vs. OUTPUT LOW VOLTAGE
60
50
40
30
20
10
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
OUTPUT LOW VOLTAGE (V)
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
25
RL = 54Ω, CL = 50pF
20
15
10
5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
60
55
50
45
40
35
30
25
20
15
10
5
0
0
SUPPLY CURRENT
vs. DATA RATE
PROFIBUS EQUIVALENT LOAD
NO LOAD
5,000 10,000 15,000
DATA RATE (kbps)
20,000
RECEIVER OUTPUT RO CURRENT
vs. OUTPUT HIGH VOLTAGE
60
50
40
30
20
10
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT HIGH VOLTAGE (V)
DIFFERENTIAL OUTPUT VOLTAGE VOD
vs. OUTPUT CURRENT
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
20
40
60
80
OUTPUT CURRENT (mA)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
3.0
2.5
2.0
1.5
1.0
0.5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
25
20
15
10
5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE VOD
vs. TEMPERATURE
2.8
RL = 54Ω
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Maxim Integrated
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