ADM2485 データシートの表示（PDF） - Analog Devices
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ADM2485 Datasheet PDF : 20 Pages
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ADM2485
PACKAGE CHARACTERISTICS
Table 3.
Parameter
Resistance (Input-to-Output)1
Capacitance (Input-to-Output)1
Input Capacitance2
Input IC Junction-to-Case Thermal Resistance
Output IC Junction-to-Case Thermal Resistance
Symbol Min Typ Max Unit Test Conditions
RI-O
1012
Ω
CI-O
3
pF f = 1 MHz
CI
4
pF
θJCI
33
°C/W Thermocouple located at center of
package underside
θJCO
28
°C/W Thermocouple located at center of
package underside
1 Device considered a 2-terminal device: Pin 1 to Pin 8 are shorted together and Pin 9 to Pin 16 are shorted together.
2 Input capacitance is from any input data pin to ground.
REGULATORY INFORMATION
Table 4. ADM2485 Approvals
Organization Approval Type
UL
Recognized under the Component Recognition
Program of Underwriters Laboratories, Inc.
VDE
Certified according to DIN V VDE V 0884-10
(VDE V 0884-10): 2006-12
Notes
In accordance with UL 1577, each ADM2485 is proof tested by
applying an insulation test voltage ≥3000 V rms for 1 second
(current leakage detection limit = 5 μA).
In accordance with DIN V VDE V 0884-10, each ADM2485 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 (External Clearance)
Minimum External Tracking (Creepage)
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index)
Isolation Group
Symbol
L(I01)
L(I02)
CTI
Value
2500
5.15 min
5.5 min
0.017 min
>175
IIIa
Unit
V rms
mm
mm
mm
V
Conditions
1-minute duration
Measured from input terminals to output terminals,
shortest distance through air
Measured from input terminals to output terminals,
shortest distance along body
Insulation distance through insulation
DIN IEC 112/VDE 0303-1
Material Group (DIN VDE 0110: 1989-01, Table 1)
Rev. A | Page 6 of 20
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