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参数资料
| 型号： | ADUM1250WSRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/16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 |
Data Sheet
PACKAGE CHARACTERISTICS
Table 3.
ADuM1250/ADuM1251
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
Resistance (Input to Output) 1
R I-O
10 12
Ω
Capacitance (Input to Output) 1
Input Capacitance
IC Junction-to-Case Thermal Resistance, Side 1
IC Junction-to-Case Thermal Resistance, Side 2
C I-O
C I
θ JCI
θ JCO
1.0
4.0
46
41
pF
pF
°C/W
°C/W
f = 1 MHz
Thermocouple located at center of package underside
1
The device is considered a 2-terminal device; Pin 1 through Pin 4 are shorted together, and Pin 5 through Pin 8 are shorted together.
REGULATORY INFORMATION
The ADuM1250 / ADuM1251 have been approved by the organizations listed in Table 4.
Table 4.
UL
Recognized under 1577 Component
Recognition Program 1
Single/basic 2500 V rms isolation voltage
File E214100
CSA
Approved under CSA Component
Acceptance Notice #5A
Reinforced insulation per CSA 60950-1-03 and
IEC 60950-1, 125 V rms (177 V peak) maximum
working voltage
Basic insulation per CSA 60950-1-03 and
IEC 60950-1, 400 V rms (566 V peak) maximum
working voltage
File 205078
VDE
Certified according to DIN V VDE V 0884-10
(VDE V 0884-10):2006-12 2
Reinforced insulation, 560 V peak
File 2471900-4880-0001
1
2
In accordance with UL 1577, each ADuM1250 / ADuM1251 is proof tested by applying an insulation test voltage ≥ 3000 V rms for 1 sec (current leakage detection
limit = 5 μA).
In accordance with DIN V VDE V 0884-10, each ADuM1250 / ADuM1251 is proof tested by applying an insulation test voltage ≥ 1050 V peak for 1 sec (partial discharge
detection limit = 5 pC). The asterisk (*) marking branded on the component designates DIN V VDE V 0884-10 approval.
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 5.
Parameter
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
Minimum External Tracking (Creepage)
Symbol
L(I01)
L(I02)
Value
2500
4.90 min
4.01 min
Unit
V rms
mm
mm
Test Conditions/Comments
1-minute duration
Measured from input terminals to output
terminals, shortest distance through air
Measured from input terminals to output
terminals, shortest distance path along body
Minimum Internal Gap (Internal Clearance)
0.017 min
mm
Insulation distance through insulation
Tracking Resistance (Comparative Tracking Index)
Isolation Group
Maximum Working Voltage Compatible with
50 Years Service Life
CTI
V IORM
>175
IIIa
565
V
V peak
DIN IEC 112/VDE 0303 Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
Continuous peak voltage across the isolation barrier
Rev. G | Page 5 of 16
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