MAX14941 Datasheet, PDF (11/21 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 (continued)
(VDDA – VGNDA = 3.3V, VDDB – VGNDB = 5V, VGNDA = VGNDB, and TA = +25°C, unless otherwise noted.)
DRIVER ENABLE/DISABLE
80
DELAY vs. TEMPERATURE _toc10
70
60
50
40
t_DZL
t_DHZ
30
20
10
0
-45 -30 -15
t_DLZ
t_DZH
0 15 30 45 60 75
TEMPERATURE (°C)
90 105
DRIVER
PROPAGATION DELAY
R_L = 54Ω
C_L = 50pF
toc11
TXD
2V/div
0V
A
1V/div
10ns/div
B
1V/div
RECEIVER
PROPAGATION DELAY
C_L = 15pF
toc12
RXD
2V/div
0V
A
1V/div
10ns/div
B
1V/div
V_DDA SUPPLY CURRENT
8
vs. DATA RATE
toc13
7
6
5
4
3
2
1
0
0
5
10
15
20
DATA RATE (Mbps)
V_DDB SUPPLY
80
CURRENT vs. DATA RATE _toc14
70
54Ω LOAD
60
50
40
30
120Ω LOAD
20
NO LOAD
10
0
0
5
10
15
20
DATA RATE (Mbps)
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