MAX14948 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – 5kVRMS Isolated 500kbps Half-Duplex RS-485

MAX14948
5kV_RMS Isolated 500kbps Half-Duplex RS-485/
RS-422 Transceiver with ±30kV ESD Protection
Insulation Characteristics
PARAMETER
Partial Discharge Test Voltage
SYMBOL
CONDITIONS
V_PR
Method B1 = V_IORM x 1.875 (t = 1s, partial
discharge < 5pC)
VALUE
2250
Maximum Repetitive Peak Withstand Voltage VIORM (Note 10)
1200
Maximum Working-Isolation Voltage
Maximum Transient Isolation Voltage
Maximum Withstand-Isolation Voltage
Maximum Surge Isolation Voltage
Insulation Resistance
Barrier Capacitance Input to Output
Minimum Creepage Distance
Minimum Clearance Distance
Internal Clearance
Comparative Tracking Resistance Index
Climatic Category
VIOWM
VIOTM
VISO
VIOSM
RS
CIO
CPG
CLR
CTI
(Note 10)
t = 1s
t = 60s, f = 60Hz (Notes 10, 11)
IEC61000-4-5, 1.2/50μs
TA = +150°C, VIO = 500V
f = 1MHz
Wide SOIC
Wide SOIC
Distance through insulation
Material Group II (IEC 60112)
848
8400
5000
10
>10⁹
2
8
8
0.015
575
40/125/21
Pollution Degree (DIN VDE 0110, Table 1)
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.
Safety Regulatory Approvals (Pending)
UL
The MAX14948 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
UNITS
V_P
V_P
VRMS
VP
VRMS
kV
Ω
pF
mm
mm
mm
www.maximintegrated.com
Maxim Integrated │  6