参数资料
型号: ADUM1250WSRZ
厂商: Analog Devices Inc
文件页数: 6/16页
文件大小: 0K
描述: IC ISOLATOR 1MBPS 4CH 2.5K 8SOIC
标准包装: 98
系列: iCoupler®
输入 - 1 侧/2 侧: 2/2
通道数: 4
电源电压: 3 V ~ 5.5 V
电压 - 隔离: 2500Vrms
数据速率: 1Mbps
传输延迟: 150ns
输出类型: I²C?
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
工作温度: -40°C ~ 125°C
ADuM1250/ADuM1251
Data Sheet
DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS
This isolator is suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by protective
circuits. The asterisk (*) marking on the package denotes DIN V VDE V 0884-10 approval for a 560 V peak working voltage.
Table 6.
Description
Test Conditions/Comments
Symbol
Characteristic
Unit
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 per DIN VDE 0110, Table 1
I to IV
I to III
I to II
40/105/21
2
Maximum Working Insulation Voltage
V IORM
560
V peak
Input-to-Output Test Voltage, Method B1
Input-to-Output Test Voltage, Method A
After Environmental Tests Subgroup 1
After Input and/or Safety Tests Subgroup 2
and Subgroup 3
Highest Allowable Overvoltage
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
Transient overvoltage, t TR = 10 sec
V PR
V PR
V TR
1050
896
672
4000
V peak
V peak
V peak
V peak
Safety-Limiting Values
Maximum value allowed in the event of a failure
(see Figure 3)
Case Temperature
V DD1 + V DD2 Current
T S
I TMAX
150
212
°C
mA
Insulation Resistance at T S
V IO = 500 V
R S
>10 9
Ω
350
300
RECOMMENDED OPERATING CONDITIONS
Table 7.
250
200
150
100
50
Parameter
Operating Temperature (T A )
A Grade
S Grade
Supply Voltages (V DD1 , V DD2 ) 1
Input/Output Signal Voltage
(V SDA1 , V SCL1 , V SDA2 , V SCL2 )
Capacitive Load
Side 1 (C L1 )
Rating
?40°C to +105°C
?40°C to +125°C
3.0 V to 5.5 V
5.5 V
40 pF
0
0
50
100
CASE TEMPERATURE (°C)
150
200
Side 2 (C L2 )
Static Output Loading
400 pF
Figure 3. Thermal Derating Curve, Dependence of Safety-Limiting Values on
Case Temperature, per DIN V VDE V 0884-10
Side 1 (I SDA1 , I SCL1 )
Side 2 (I SDA2 , I SCL2 )
0.5 mA to 3 mA
0.5 mA to 30 mA
1
All voltages are relative to their respective ground. See the Magnetic Field
Immunity section for information about immunity to external magnetic
fields.
Rev. G | Page 6 of 16
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