MAX14945 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – 2.75kVRMS Isolated 500kbps Half-Duplex RS-485

MAX14945
2.75kV_RMS Isolated 500kbps Half-Duplex RS-485/
RS-422 Transceiver with ±30kV ESD Protection
Insulation Characteristics
PARAMETER
SYMBOL
CONDITIONS
Partial Discharge Test Voltage
VPR
Method B1 = V_IORM x 1.875
(t = 1s, partial discharge < 5pC)
Maximum Repetitive Peak Withstand Voltage VIORM Peak voltage for 50 yrs, min (Note 7)
Maximum Working Isolation Voltage
VIOWM (Note 7)
Maximum Transient Isolation Voltage
VIOTM t = 1s
Maximum Withstand Isolation Voltage
Maximum Surge Isolation Voltage
Insulation Resistance
Barrier Capacitance Input to Output
Creepage Distance
Clearance Distance
Internal Clearance
VISO
VISOM
RS
CIO
CPG
CLR
t = 60s, f = 60Hz (Note 7, 8)
IEC 61000-4-5, 1.2/50μs
T_A = +150°C, V_IO = 500V
Wide SO
Wide SO
Distance through insulation
Comparitive Tracking Resistance Index
CTI Material Group II (IEC 60112)
Climatic Category
Pollution Degree (DIN VDE 0110, Table 1)
VALUE
1182
630
445
4600
2750
10
>10⁹
2
8
8
0.015
575
40/125/21
2
Note 10: V_IORM, V_IOWM, and V_ISO are defined by the IEC 60747-5-5 standard.
Note 11: Product is qualified at V_ISO for 60 seconds. 100% production tested at 120% of V_ISO for 1 second.
UNITS
V_P
V_P
VRMS
VP
VRMS
kV
Ω
pF
mm
mm
mm
Safety Regulatory Approvals (Pending)
UL
The MAX14945 is certified under UL1577. For more details, see File E351759.
Rate up to 2750VRMS isolation voltage for basic insulation.
cUL
Pending
VDE
Pending
TUV
Pending
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