參數(shù)資料
型號: ADuM2251
廠商: Analog Devices, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Hot-Swappable, Dual I2C Isolators, 5 kV
中文描述: 熱插拔,雙的I2C隔離器,5千伏
文件頁數(shù): 7/16頁
文件大?。?/td> 221K
代理商: ADUM2251
ADuM2250/ADuM2251
DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS
Note that the * marking on the package denotes DIN V VDE V 0884-10 approval for a 848 V peak working voltage. This isolator is
suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits.
Rev. 0 | Page 7 of 16
Table 6.
Description
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 300 V rms
For Rated Mains Voltage ≤ 450 V rms
For Rated Mains Voltage ≤ 600 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110, Table 1)
Maximum Working Insulation Voltage
Input-to-Output Test Voltage, Method b1
Conditions
V
IORM
× 1.875 = V
PR
, 100% production test, t
m
= 1 sec,
partial discharge < 5 pC
V
IORM
× 1.6 = V
PR
, t
m
= 60 sec, partial discharge < 5 pC
V
IORM
× 1.2 = V
PR
, t
m
= 60 sec, partial discharge < 5 pC
Symbol
V
IORM
V
PR
Characteristic
I to IV
I to II
I to II
40/105/21
2
846
1590
Unit
V peak
V peak
Input-to-Output Test Voltage, Method a
After Environmental Tests Subgroup 1
After Input and/or Safety Test Subgroup 2
and Subgroup 3
Highest Allowable Overvoltage
Safety-Limiting Values
V
PR
1375
1018
V peak
V peak
Transient overvoltage, t
TR
= 10 seconds
Maximum value allowed in the event of a failure;
see Figure 4
I
DD1
+ I
DD2
V
IO
= 500 V
V
TR
6000
V peak
Case Temperature
Supply Current
Insulation Resistance at T
S
T
S
I
S
R
S
150
555
>10
9
°C
mA
Ω
600
500
400
300
200
100
0
S
D
0
50
100
150
200
AMBIENT TEMPEARTURE (°C)
0
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting Values on
Case Temperature, per DIN V VDE V 0884-10
RECOMMENDED OPERATING CONDITIONS
Table 7.
Parameter
Operating Temperature
Supply Voltages
1
Input/Output Signal Voltage
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
Max
+105
5.5
5.5
Unit
°C
V
V
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
Applications
Information
section for data on immunity to external magnetic fields.
0.5
0.5
40
400
3
30
pF
pF
mA
mA
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