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ADM2485 데이터시트(PDF) 5 Page - Analog Devices

부품명 ADM2485
상세설명  High Speed Isolated RS-485 Transceiver with Integrated Transformer Driver
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Preliminary Technical Data
ADM2485
ADM2485E CHARACTERISTICS
PACKAGE CHARACTERISTICS
Table 2.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
Resistance (Input-Output)1
RI-O
1012
Capacitance (Input-Output)1
CI-O
3
pF
f = 1 MHz
Input Capacitance2
CI
4
pF
Input IC Junction-to-Case Thermal Resistance
θJCI
33
°C/W
Thermocouple located at
Output IC Junction-to-Case Thermal Resistance
θJCO
28
°C/W
center of package underside
1 Device considered a two-terminal device: Pins 1, 2, 3, 4, 5, 6, 7, and 8 shorted together, and Pins 9, 10, 11, 12, 13, 14, 15, and 16 shorted together.
2 Input capacitance is from any input data pin to ground.
REGULATORY INFORMATION
The ADM2485 is to be approved by the following organizations:
Table 3.
Organization
Approval Type
Notes
UL
To be recognized under 1577 component recognition program.
In accordance with UL1577, each ADM2485
is proof-tested by applying an insulation
test voltage ≥3000 V rms for 1 second (current
leakage detection limit = 5 µA).
CSA
To be approved under CSA Component Acceptance Notice #5A.
VDE
To be certified according to DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01
In accordance with VDE 0884, each ADM2485
is proof-tested by applying an insulation
test voltage ≥1050 VPEAK for 1 second
(partial discharge detection limit = 5 pC).
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 4.
Parameter
Symbol
Value
Unit
Conditions
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
Minimum External Tracking (Creepage)
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index)
Isolation Group
L(I01)
L(I02)
CTI
2500
5.15 min
5.5 min
0.017 min
>175
IIIa
V rms
mm
mm
mm
V
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 Part 1.
Material Group (DIN VDE 0110, 1/89,).
Rev. PrK | Page 5 of 15


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