MAX14941 Datasheet, PDF (7/21 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
VDDB
VDDA
A
TXD
GNDA
B
GNDB
Figure 2. V_ODPP Swing Under Profibus Equivalent Load Test
195I
110I V_OD
195I
TXD
A
VOD
B
RL
CL
GNDA
Figure 3. Driver Timing Test Circuit
f = 1MHz, tLH P 3ns, tHL P 3ns
TXD
50%
50%
B
A
VO
1/2 VO
VDIFF
20%
tLH
Figure 4. Driver Propagation Delays
tDPLH
tDPHL
V_DIFF = V_A - V_B
80%
80%
tHL
tDSKEW = |tDPLH - tDPHL|
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VDDA
1/2 VO
GNDA
VO
0
20%
-VO
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