adm2481 Analog Devices, Inc., adm2481 Datasheet - Page 5

• Manufacturer Part Number: adm2481
• Description: Half-duplex, Icoupler Isolated Rs-485 Transceiver Adm2481
• Manufacturer: Analog Devices, Inc.

VDE 0884 INSULATION CHARACTERISTICS (PENDING)
This isolator is suitable for basic electrical isolation only within this safety limit data. Maintenance of this safety data shall be ensured by
means of protective circuits.
Table 6.
Description
Installation Classification per DIN VDE 0110 for Rated Mains Voltage
Climatic Classification
Pollution Degree (Table 1 in DIN VDE 0110)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b1
Input-to-Output Test Voltage, Method a
Highest Allowable Overvoltage
(Transient Overvoltage, t
Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure; see Figure 13)
Insulation Resistance at T
≤150 V rms
≤300 V rms
≤400 V rms
V
t
(After Environmental Tests, Subgroup 1)
(After Input and/or Safety Test, Subgroup 2/3)
Case Temperature
Input Current
Output Current
m
IORM
V
V
= 1 sec, Partial Discharge of < 5 pC
IORM
IORM
× 1.875 = V
× 1.6 = V
× 1.2 = V
PR
PR
PR
, 100% Production Tested
, t
, t
m
m
= 60 sec, Partial Discharge of < 5 pC
= 60 sec, Partial Discharge of < 5 pC
TR
S
, V
= 10 sec)
IO
= 500 V
Rev. 0 | Page 5 of 20
Symbol
V
V
V
T
I
I
R
V
S, INPUT
S, OUTPUT
S
IORM
PR
PR
TR
S
Characteristic
I to IV
I to III
I to II
40/85/21
2
560
1050
896
672
4000
150
265
335
>10
9
ADM2481
Unit
V
V
V
V
V
°C
mA
mA
Ω
PEAK
PEAK
PEAK
PEAK
PEAK