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ADUM7240CRZ Datasheet(PDF) 8 Page - Analog Devices

No. de pieza ADUM7240CRZ
Descripción Electrónicos  1 kV, Dual Channel Digital Isolators
Download  16 Pages
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ADUM7240CRZ Datasheet(HTML) 8 Page - Analog Devices

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ADuM7240/ADuM7241
Data Sheet
Rev. A | Page 8 of 16
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 17.
Parameter
Rating
Storage Temperature (TST) Range
−65°C to +150°C
Ambient Operating Temperature
(TA) Range
−40°C to +105°C
Supply Voltages (VDD1, VDD2)
−0.5 V to +7.0 V
Input Voltages (VIA, VIB)1
−0.5 V to VDDI + 0.5 V
Output Voltages (VOA, VOB)1
−0.5 V to VDDO + 0.5 V
Average Output Current per Pin2
Side 1 (IO1)
−10 mA to +10 mA
Side 2 (IO2)
−10 mA to +10 mA
Common-Mode Transients3
−100 kV/µs to +100 kV/µs
1
VDDI and VDDO refer to the supply voltages on the input and output sides of a
given channel, respectively. See the Printed Circuit Board Layout section.
2
See Figure 3 for maximum rated current values for various temperatures.
3
Refers to common-mode transients across the insulation barrier. Common-
mode transients exceeding the absolute maximum ratings may cause latch-
up or permanent damage.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
Table 18. Maximum Continuous Working Voltage1
Parameter
Max
Unit
Constraint
AC Voltage, Bipolar Waveform
300
V rms
50-year minimum lifetime
DC Voltage
300
V dc
50-year minimum lifetime
1
Refers to continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more details.
Table 19. ADuM7240 Truth Table (Positive Logic)1
VIA Input
VIB Input
VDD1 State
VDD2 State
VOA Output
VOB Output
Notes
H
H
Powered
Powered
H
H
L
L
Powered
Powered
L
L
H
L
Powered
Powered
H
L
L
H
Powered
Powered
L
H
X
X
Unpowered
Powered
H
H
Outputs return to the input state within
1 µs of VDDI power restoration.
X
X
Powered
Unpowered
Indeterminate
Indeterminate
Outputs return to the input state within
1 µs of VDDO power restoration.
1
H = high, L = low, X = don’t care.
Table 20. ADuM7241 Truth Table (Positive Logic)1
VIA Input
VIB Input
VDD1 State
VDD2 State
VOA Output
VOB Output
Notes
H
H
Powered
Powered
H
H
L
L
Powered
Powered
L
L
H
L
Powered
Powered
H
L
L
H
Powered
Powered
L
H
X
X
Unpowered
Powered
Indeterminate
H
Outputs return to the input state within
1 µs of VDDI power restoration.
X
X
Powered
Unpowered
H
Indeterminate
Outputs return to the input state within
1 µs of VDDO power restoration.
1
H = high, L = low, X = don’t care.


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