MAX14852 Datasheet, PDF (8/22 Pages) Maxim Integrated Products – 2.75kVRMS Isolated 500kbps/25Mbps Full-Duplex

MAX14852/MAX14854
2.75kV_RMS Isolated 500kbps/25Mbps Full-Duplex
RS-485/RS-422 Transceivers
with ±35kV ESD Protection
Y
RL
2
VOD
RL
VOC
2
Z
(a)
Figure 1. Driver DC Test Load
375Ω
Y
VOD
60Ω
Z
375Ω
(b)
+
-
VCM
TXD
Y
VOD
Z
RL
CL
GNDA
Figure 2. Driver Timing Test Circuit
tLH P 3ns, tHL P 3ns
TXD
50%
50%
Z
Y
VO
1/2 VO
VDIFF
20%
tLH
Figure 3. Driver Propagation Delays
tDPLH
tDPHL
V_DIFF = V_Y - V_Z
80%
80%
tHL
tDSKEW = |tDPLH - tDPHL|
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VDDA
1/2 VO
GNDA
VO
0
20%
-VO
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