MAX14941 Datasheet, PDF (10/21 Pages) Maxim Integrated Products – 5kV Isolated 20Mbps Half-Duplex PROFIBUS

MAX14941/MAX14942
5kV Isolated 20Mbps Half-Duplex PROFIBUS/
RS-485 Transceivers with ±35kV ESD Protection
Typical Operating Characteristics
(VDDA – VGNDA = 3.3V, VDDB – VGNDB = 5V, VGNDA = VGNDB, and TA = +25°C, unless otherwise noted.)
V_DDA SUPPLY CURRENT
vs. TEMPERATURE
8
toc01
7
6
5
4
3
2
1
0
-45 -30 -15
NO LOAD
NO SWITCHING
0 15 30 45 60 75 90 105
TEMPERATURE (°C)
RECEIVER OUTPUT CURRENT
30
vs OUTPUT HIGH VOLTAGE _toc04
25
20
15
10
5
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
OUTPUT HIGH VOLTAGE (V)
DRIVER OUTPUT CURRENT
20
vs OUTPUT HIGH VOLTAGE _toc07
0
-20
-40
-60
-80
-100
-120
-140
-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5
OUTPUT HIGH VOLTAGE (V)
V_DDB SUPPLY CURRENT
vs. TEMPERATURE
14
toc02
12
10
8
6
4
2
0
-45 -30 -15
NO LOAD
NO SWITCHING
0 15 30 45 60 75 90 105
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
5.5
toc05
5.0
4.5
No load
4.0
3.5
3.0
2.5
2.0
120Ω LOAD
54Ω LOAD
1.5
1.0
0.5
0.0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
TRANSMITTER PROPAGATION
30
DELAY vs. TEMPERATURE _toc08
25
t_PDHL
20
15
t_PDLH
10
5
0
-45 -30 -15
R_L = 54Ω
C_L = 50pF
0 15 30 45 60 75 90 105
TEMPERATURE (°C)
RECEIVER OUTPUT CURRENT
30
vs OUTPUT LOW VOLTAGE _toc03
25
20
15
10
5
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
OUTPUT LOW VOLTAGE (V)
DRIVER OUTPUT CURRENT
140
vs OUTPUT LOW VOLTAGE _toc6
120
100
80
60
40
20
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT LOW VOLTAGE (V)
RECEIVER PROPAGATION
50
DELAY vs. TEMPERATURE _toc09
45
C_L = 15pF
40
35
30
t_RPLH
25
20
15
10
t_RPHL
5
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
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