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參數(shù)資料
| 型號： | ADUM1251 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Hot Swappable Dual I2C Isolators |
| 中文描述： | 熱插拔雙的I2C隔離器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 201K |
| 代理商： | ADUM1251 |
ADuM1250/ADuM1251
PACKAGE CHARACTERISTICS
Rev. 0 | Page 5 of 12
Table 3.
Parameter
Resistance (Input-Output)
1
Capacitance (Input-Output)
1
Input Capacitance
IC Junction-to-Case Thermal Resistance, Side 1
Symbol
R
I-O
C
I-O
C
I
θ
JCI
Min
Typ
10
12
1.0
4.0
46
Max
Unit
Ω
pF
pF
°C/W
Test Conditions
f = 1 MHz
Thermocouple located at center of package
underside
IC Junction-to-Case Thermal Resistance, Side 2
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 has been approved by the following organizations:
θ
JCO
41
°C/W
Table 4.
UL
Recognized under 1577 Component
Recognition Program
1
Basic insulation, 2500 V rms isolation rating
CSA (Pending)
Approved under CSA Component Acceptance
Notice #5A
Basic insulation per CSA 60950-1-03 and IEC
60950-1, 400 V rms (560 V peak) maximum
working voltage
File 205078
VDE (Pending)
Certified according to DIN EN 60747-5-2
(VDE 0884 Part 2):2003-01
2
Basic insulation,400 V rms (560 V peak)
maximum working voltage
File E214100
File 2471900-4880-0001
1
In accordance with UL1577, each device is proof tested by applying an insulation test voltage ≥ 3000 V rms for 1 second
(current leakage detection limit = 5 μA).
2
In accordance with DIN EN 60747-5-2, each device is proof tested by applying an insulation test voltage ≥ 1050 V peak for 1 second
(partial discharge detection limit = 5 pC).
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 5.
Parameter
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
Symbol
L(I01)
Value
2500
4.90 min
Unit
V rms
mm
Conditions
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
Insulation distance through insulation
DIN IEC 112/VDE 0303 Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
Minimum External Tracking (Creepage)
L(I02)
4.01 min
mm
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index)
Isolation Group
CTI
0.017 min
>175
IIIa
mm
V
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