Datasheet

MAX14934–MAX14936 Four-Channel, 5kV
RMS
Digital Isolators
www.maximintegrated.com
Maxim Integrated │ 14
Figure 1. Test Circuit (A) and Timing Diagram (B)
PARAMETER SYMBOL CONDITIONS VALUE UNITS
Partial Discharge Test Voltage V
PR
Method B1 = V
IORM
x 1.875
(t = 1s, partial discharge < 5pC)
2250 V
P
Repetitive Peak Isolation Voltage V
IORM
1200 V
P
Working Isolation Voltage V
IOWM
848 V
RMS
Maximum Transient Isolation Voltage V
IOTM
t = 1s 8400 V
P
Maximum Withstand Isolation Voltage V
ISO
f = 60Hz, duration = 60s 5000 V
RMS
Maximum Surge Isolation Voltage V
IOSM
Basic insulation 10 kV
Insulation Resistance R
S
T
A
= +150°C
V
IO
= 500V
> 10
9
Ω
Barrier Capacitance Input to Output CIO f = 1MHz 2 pF
Minimum Creepage Distance CPG Wide SOIC 8 mm
Minimum Clearance Distance CLR Wide SOIC 8 mm
Internal Clearance Distance through insulation 0.015 mm
Comparative Tracking Resistance Index CTI Material Group II (IEC 60112) 575
Climatic Category 40/125/21
Pollution Degree (DIN VDE 0110, Table 1) 2
0.1µFV
DDB
V
DDA
TEST
SOURCE
INA_ OUTB_
MAX14934
MAX14935
MAX14936
GNDA GNDB
V
DDA
V
DDB
C
L
R
L
0.1µF
50Ω
(A)
(B)
V
DDA
INA1, INA2
50% 50%
50%
50%
90%
10%
50%
t
SPHL
t
SCSHL
t
F
t
R
t
SPLH
OUTB1
OUTB2
V
DDB
V
DDB
GNDA
GNDB
GNDB
Insulation Characteristics