Datasheet

7Maxim Integrated
+5.0V, ±30kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceiver
MAX14780E
Typical Operating Characteristics
(V
CC
= +5.0V, T
A
= +25°C, unless otherwise noted.)
0
60
40
20
80
100
120
140
160
180
200
042681
01
2
OUTPUT CURRENT vs. TRANSMITTER
OUTPUT-LOW VOLTAGE
MAX14780E toc09
OUTPUT-LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
0
40
20
100
80
60
120
140
180
160
200
-7 -5 -4-6 -3 -2 -1 0 123 54
OUTPUT CURRENT vs. TRANSMITTER
OUTPUT-HIGH VOLTAGE
MAX14780E toc08
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
2.0
2.8
2.4
3.6
3.2
4.4
4.0
4.8
DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs. TEMPERATURE
MAX14780E toc07
DIFFERENTIAL OUTPUT VOLTAGE (V)
R
L
= 54Ω
-40 -10 520-25 35 50 9580 11065 125
TEMPERATURE (°C)
0
20
40
60
80
100
120
140
160
0
12345
DRIVER DIFFERENTIAL OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
MAX14780E toc06
DIFFERENTIAL OUTPUT VOLTAGE (V)
DIFFERENTIAL OUTPUT CURRENT (mA)
0
0.1
0.7
0.3
0.2
0.4
0.5
0.6
0.8
RECEIVER OUTPUT-LOW VOLTAGE
vs. TEMPERATURE
MAX14780E toc05
TEMPERATURE (°C)
OUTPUT LOW VOLTAGE (V)
I
O
= 1mA
-40 -10 520-25 35 50 9580 11065 125
4.0
4.4
4.2
4.8
4.6
5.2
5.0
5.4
RECEIVER OUTPUT-HIGH VOLTAGE
vs. TEMPERATURE
MAX14780E toc04
TEMPERATURE (°C)
OUTPUT HIGH VOLTAGE (V)
I
O
= -1mA
-40 -10 520-25 35 50 9580 11065 125
0
20
10
40
30
60
50
70
021
345
OUTPUT CURRENT
vs. RECEIVER OUTPUT-LOW VOLTAGE
MAX14780E toc03
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
0
20
10
40
30
50
60
0213
45
OUTPUT CURRENT
vs. RECEIVER OUTPUT-HIGH VOLTAGE
MAX14780E toc02
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
0.80
0.90
1.50
1.10
1.00
1.20
1.30
1.40
1.60
-40 -10 520-25 35 50 9580 11065 125
SUPPLY CURRENT vs. TEMPERATURE
MAX14780E toc01
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
NO LOAD
DE = V
CC
DE = 0