MAX14941 Datasheet, PDF (6/21 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
Insulation Characteristics
PARAMETER
SYMBOL
CONDITIONS
Partial Discharge Test Voltage
V_PR
Method B1 = V_IORM x 1.875 (t = 1s,
partial discharge < 5pC)
Maximum Repetitive Peak Isolation Voltage
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
Pollution Degree (DIN VDE 0110, Table 1)
VIORM
VIOWM
VIOTM
VISO
VISOM
RS
CIO
CPG
CLR
CTI
(Note 11)
(Note 11)
t = 1s
t = 60s, f = 60Hz (Note 11, 12)
IEC 61000-4-5, 1.2/50µs
T_A = +150°C, V_IO = 500V
f = 1MHz
Wide SOIC
Wide SOIC
Distance through insulation
Material Group II (IEC 60112)
VALUE
2250
1200
848
8400
5000
10
> 10⁹
2
8
8
0.015
575
40/125/21
2
Note 11: V_IORM, V_IOWM, and V_ISO are defined by the IEC 60747-5-5 standard.
Note 12: 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 MAX14941/MAX14942 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
A
R_L
2
V_OD
R_L
V_OC
2
B
(a)
Figure 1. Driver DC Test Load
375Ω
A
V_OD
60Ω
B
375 Ω
(b)
+
-
V_CM
UNITS
V_P
V
VRMS
VP
VRMS
kV
Ω
pF
mm
mm
mm
www.maximintegrated.com
Maxim Integrated │  6