MAX14840E Datasheet, PDF (8/15 Pages) Maxim Integrated Products – 40Mbps, +3.3V, RS-485 Half-Duplex Transceivers

40Mbps, +3.3V, RS-485 Half-Duplex
Transceivers
(VCC = +3.3V, TA = +25NC, unless otherwise noted.)
Typical Operating Characteristics
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE
4
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
4
SUPPLY CURRENT vs. DATA RATE
100
3
2
1
RE = GND AND DE = VCC,
OR RE = VCC AND DE = VCC
0
-40 -15 10 35 60 85 110 125
TEMPERATURE (°C)
RECEIVER OUTPUT HIGH VOLTAGE
vs. OUTPUT CURRENT
5
3
2
1
RE = VCC
DE = GND
0
-40 -15 10 35 60 85 110 125
TEMPERATURE (°C)
RECEIVER OUTPUT LOW VOLTAGE
vs. OUTPUT CURRENT
5
80
54I LOAD
60
40
NO LOAD
20
0
0
10
20
30
40
DATA RATE (Mbps)
DIFFERENTIAL DRIVER OUTPUT
VOLTAGE vs. OUTPUT CURRENT
5
4
4
4
3
3
3
2
2
2
1
1
1
0
0
5
10
15
20
25
IRO (mA)
DIFFERENTIAL DRIVER OUTPUT VOLTAGE
vs. TEMPERATURE
4
3
2
1
R_L = 54I
0
-40 -15 10 35 60 85 110 125
TEMPERATURE (°C)
0
0 3 6 9 12 15 18 21 24 27
IRO (mA)
DRIVER OUTPUT CURRENT
vs. OUTPUT HIGH VOLTAGE
100
80
60
40
20
0
-7 -5 -3 -1 1 3 5
OUTPUT HIGH VOLTAGE (V)
0
0
140
120
100
80
60
40
20
0
0
20
40
60
80
I_OD (mA)
DRIVER OUTPUT CURRENT
vs. OUTPUT LOW VOLTAGE
2 4 6 8 10 12
OUTPUT LOW VOLTAGE (V)
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