MAX14781E_14 Datasheet, PDF (9/19 Pages) Maxim Integrated Products – Half-Duplex RS-485 Transceiver with Polarity Correction

MAX14781E
Typical Operating Characteristics
(VCC = +5V, TA = +25°C, unless otherwise noted.)
Half-Duplex RS-485 Transceiver
with Polarity Correction
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
1.2
toc01
1.1
NO LOAD
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-45 -30 -15 0 15 30 45 60 75 90
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
10
toc02
9
8
7
6
5
4
3
2
1
0
-45 -30 -15 0 15 30 45 60 75 90
TEMPERATURE (°C)
90
80
70
60
50
40
30
20
10
0
0.01
SUPPLY CURRENT
vs. DATA RATE
toc03
R_L = 54Ω
0.1
1
10
100 1000
DATA RATE (kbps)
RECEIVER OUTPUT HIGH
6
VOLTAGE vs. OUTPUT CURRENT _toc04
RECEIVER OUTPUT LOW
VOLTAGE vs. OUTPUT CURRENT
5
toc05
5
4
4
3
3
2
2
1
1
0
0
10 20 30 40 50 60
OUTPUT CURRENT (mA)
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
120
toc06
100
80
60
40
20
0
3.50
3.75 4.00 4.25 4.50 4.75 5.00
DIFFERENTIAL OUTPUT VOLTAGE (V)
0
0 10 20 30 40 50 60 70
OUTPUT CURRENT (mA)
DIFFERENTIAL DRIVER OUTPUT
VOLTAGE vs. TEMPERATURE
4.0
toc07
3.8
R_L = 54Ω
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
-45 -30 -15 0 15 30 45 60 75 90
TEMPERATURE (°C)
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