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參數(shù)資料
| 型號： | ADUM5242 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual-Channel Isolators with Integrated DC/DC Converter, 50 mW |
| 中文描述： | 雙通道隔離器的集成DC / DC轉(zhuǎn)換器，50毫瓦 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 152K |
| 代理商： | ADUM5242 |
ADuM5240/ADuM5241/ADuM5242
Preliminary Technical Data
ABSOLUTE MAXIMUM RATINGS
Ambient temperature = 25°C, unless otherwise noted.
Table 7.
Parameter
Storage Temperature
Ambient Operating Temperature
Supply Voltages
1
Input Voltage
1
Output Voltage
1
Average Output Current, per Pin
2
Common-Mode Transients
3
Rev. PrN | Page 6 of 10
Symbol
T
ST
T
A
V
DD
, V
ISO
V
IA
, V
IB
V
OA
, V
OB
I
O
Min
55
40
0.5
0.5
0.5
100
Max
150
105
7.0
V
DD/ISO
+ 0.5
V
DD/ISO
+ 0.5
+100
Unit
°C
°C
V
V
V
mA
kV/μs
1
All voltages are relative to their respective ground.
2
See Figure 4 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 Rating 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 listed in the operational sections of this specification is
not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Table 8. Truth Table, ADuM5240
V
DD
State
DC/DC
Converter
Powered
Enabled
V
ISO
State
V
IA
Input
H
V
IB
Input
H
V
OA
Output
H
V
OB
Output
H
Powered
(Internally)
Powered
(Internally)
Powered
(Internally)
Powered
(Internally)
Powered
(Externally)
Powered
(Externally)
Powered
(Externally)
Powered
(Externally)
Unpowered
Powered
(Externally)
Unpowered
Powered
Enabled
L
L
L
L
Powered
Enabled
H
L
H
L
Powered
Enabled
L
H
L
H
Powered
Disabled
H
H
H
H
Powered
Disabled
L
L
L
L
Powered
Disabled
H
L
H
L
Powered
Disabled
L
H
L
H
Powered
Unpowered
Disabled
Disabled
X
X
X
X
Z
L
Z
L
Unpowered
Disabled
X
X
Z
Z
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