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MAX14856 Datasheet, PDF (7/22 Pages) Maxim Integrated Products – 5kVRMS Isolated 500kbps/25Mbps Full-Duplex
MAX14856/MAX14858
5kVRMS Isolated 500kbps/25Mbps Full-Duplex
RS-485/RS-422 Transceivers
with ±35kV ESD Protection
Insulation Characteristics
PARAMETER
Partial Discharge Test Voltage
SYMBOL
VPR
CONDITIONS
Method B1 = VIORM x 1.875 (t = 1s, par-
tial discharge < 5pC)
VALUE
2250
Maximum Repetitive Peak Withstand
Voltage
VIORM (Note 7)
1200
Maximum Working Isolation Voltage
Maximum Transient Isolation Voltage
Maximum Withstand Isolation Voltage
Maximum surge Isolation Voltage
Insulation Resistance
Barrier Capacitance Input to Output
Creepage Distance
Clearance Distance
Internal Clearance
Comparitive Tracking Resistance
Index
Climatic Category
Pollution Degree (DIN VDE 0110, Table 1)
VIOWM
VIOTM
VISO
VIOSM
RS
CIO
CPG
CLR
CTI
(Note 7)
t = 1s
t = 60s, f = 60Hz (Note 7, 8)
IEC 61000-4-5, 1.2/50μs
TA = +150°C, VIO = 500V
Wide SO
Wide SO
Distance through insulation
Material Group II (IEC 60112)
848
8400
5000
10
>109
2
8
8
0.015
575
40/125/21
2
Note 10: VIORM, VIOWM, and VISO are defined by the IEC 60747-5-5 standard.
Note 11: Product is qualified at VISO for 60 seconds. 100% production tested at 120% of VISO for 1 second.
UNITS
VP
VP
VRMS
VP
VRMS
kV
Ω
pF
mm
mm
mm
Safety Regulatory Approvals (Pending)
UL
The MAX14856/MAX14858 is certified under UL1577. For more details, see File E351759.
Rate up to 5000VRMS isolation voltage for basic insulation.
cUL
Pending
VDE
Pending
TUV
Pending
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