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ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - transceivers RS422, RS485 1/1 uMAX 8
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MAX3471
1.6µA, RS-485/RS-422, Half-Duplex,
Differential Transceiver for Battery-Powered Systems
4 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(V
CC
= +3.6V, T
A
= +25°C, unless otherwise noted.)
0
15
5
10
20
35
40
30
25
45
0 0.4 0.6 0.8 1.00.2 1.2 1.4 1.6 1.8 2.0
OUTPUT CURRENT
vs. RECEIVER OUTPUT LOW VOLTAGE
MAX3471toc01
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
V
CC
= 3.6V
V
CC
= 5V
0
4
2
8
6
12
10
14
18
16
20
0 1.0 1.5 2.00.5 2.5 3.0 3.5 4.54.0 5.0
OUTPUT CURRENT vs. RECEIVER
OUTPUT HIGH VOLTAGE
MAX3471toc02
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
V
CC
= 3.6V
V
CC
= 5V
3.0
3.5
4.5
4.0
5.0
5.5
-50 0-25 25 50 75 100 125
RECEIVER OUTPUT HIGH
VOLTAGE vs. TEMPERATURE
MAX3471toc03
TEMPERATURE (°C)
RECEIVER OUTPUT VOLTAGE (V)
LOAD = 0.8mA
V
CC
= 5V
V
CC
= 3.6V
0
40
20
80
60
120
100
140
-50 0 25-25 50 75 100 125
RECEIVER OUTPUT LOW
VOLTAGE vs. TEMPERATURE
MAX3471toc04
TEMPERATURE (°C)
RECEIVER OUTPUT VOLTAGE (mV)
LOAD = 2.2mA
V
CC
= 3.6V
V
CC
= 5V
0
1.5
1.0
0.5
2.5
2.0
4.5
4.0
3.5
3.0
5.0
-50 -25 0 25 50 75 100 125
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. TEMPERATURE
MAX3471toc07
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE (V)
R
DIFF
= 1.5kΩ
V
CC
= 3.6V
V
CC
= 5V
0
10
5
15
30
35
25
20
40
0 1.0 1.5 2.0 2.50.5 3.0 3.5 4.0 4.5 5.0
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
MAX3471toc05
DIFFERENTIAL OUTPUT VOLTAGE (V)
DRIVER OUTPUT CURRENT (mA)
V
CC
= 3.6V
V
CC
= 5V
0
0.6
0.4
0.2
1.0
0.8
1.8
1.6
1.4
1.2
2.0
-50 -25 0 25 50 75 100 125
DRIVER DIFFERENTIAL
OUTPUT VOLTAGE vs. TEMPERATURE
MAX3471toc06
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE (V)
R
DIFF
= 54Ω
V
CC
= 3.6V
V
CC
= 5V
0
30
20
10
40
50
60
0 431 2 5 6 7 8 9 10
OUTPUT CURRENT vs. DRIVER
OUTPUT LOW VOLTAGE (V
CC
= 5V)
MAX3471toc08
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
V
CC
= 5V
0
10
5
20
15
25
30
0 4 62 8 10 12
OUTPUT CURRENT vs. DRIVER
OUTPUT LOW VOLTAGE (V
CC
= 3.6V)
MAX3471toc09
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
V
CC
= 3.6V