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參數(shù)資料
| 型號： | ADUM1251ARZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 其它接口 |
| 英文描述： | Hot Swappable Dual I2C Isolators |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO8 |
| 封裝： | ROHS COMPLIANT, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 201K |
| 代理商： | ADUM1251ARZ |
ADuM1250/ADuM1251
DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS
Rev. 0 | Page 6 of 12
This isolator is suitable for basic isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits.
The * marking on the package denotes DIN EN 60747-5-2 approval for a 560 V peak working voltage.
Table 6.
Description
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 150 V rms
For Rated Mains Voltage ≤ 300 V rms
For Rated Mains Voltage ≤ 400 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110, Table 1)
Maximum Working Insulation Voltage
Input-to-Output Test Voltage, Method b1
V
IORM
× 1.875 = V
PR
, 100% Production Test, t
m
= 1 sec, Partial Discharge < 5 pC
Input-to-Output Test Voltage, Method a
After Environmental Tests Subgroup 1
V
IORM
× 1.6 = V
PR
, t
m
= 60 sec, Partial Discharge < 5 pC
After Input and/or Safety Test Subgroup 2/3
V
IORM
× 1.2 = V
PR
, t
m
= 60 sec, Partial Discharge < 5 pC
Highest Allowable Overvoltage (Transient Overvoltage, t
TR
= 10 sec)
Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure (See also
Figure 3
)
Case Temperature
Side 1 Current
Side 2 Current
Insulation Resistance at T
S
, V
IO
= 500 V
Symbol
V
IORM
V
PR
V
PR
V
TR
T
S
I
S1
I
S2
R
S
Characteristic
I to IV
I to III
I to II
40/105/21
2
560
1050
896
672
4000
150
160
170
>10
9
Unit
V
PEAK
V
PEAK
V
PEAK
V
PEAK
°C
mA
mA
Ω
CASE TEMPERATURE (°C)
S
0
0
350
50
100
150
200
50
300
0
150
100
200
250
Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values on
Case Temperature, per DIN EN 60747-5-2
RECOMMENDED OPERATING CONDITIONS
Table 7.
Parameter
Operating Temperature
Supply Voltages
1
Input/Output Signal Voltage
Capacitive Load, Side 1
Capacitive Load, Side 2
Static Output Loading, Side 1
Static Output Loading, Side 2
1
All voltages are relative to their respective ground. See the
Application Notes
section for data on immunity to external magnetic fields.
Symbol
T
A
V
DD1
, V
DD2
V
SDA1
, V
SCL1
, V
SDA2
, V
SCL2
C
L1
C
L2
I
SDA1
, I
SCL1
I
SDA2
, I
SCL2
Min
40
3.0
0.5
0.5
Max
+105
5.5
5.5
40
400
3
30
Unit
°C
V
V
pF
pF
mA
mA
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