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ADM2490E Datasheet(PDF) 6 Page - Analog Devices

Part No. ADM2490E
Description  High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADM2490E Datasheet(HTML) 6 Page - Analog Devices

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ADM2490E
Rev. 0 | Page 6 of 16
VDE 0884 INSULATION CHARACTERISTICS (PENDING)
This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data must be ensured by
means of protective circuits.
An asterisk (*) on a package denotes VDE 0884 approval for 848 V peak working voltage.
Table 7.
Description
Symbol
Characteristic
Unit
Installation Classification per DIN VDE 0110 for Rated Mains Voltage
≤300 V rms
I to IV
≤450 V rms
I to II
≤600 V rms
I to II
Climatic Classification
40/105/21
Pollution Degree (DIN VDE 0110, see Table 1)
2
Maximum Working Insulation Voltage
VIORM
848
VPEAK
Input-to-Output Test Voltage, Method b1
VPR
1590
VPEAK
VIORM × 1.875 = VPR, 100% Production Tested, tm = 1 sec, Partial Discharge < 5 pC
Input-to-Output Test Voltage, Method a
(After Environmental Tests, Subgroup 1)
VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5 pC
1357
VPEAK
(After Input and/or Safety Test, Subgroup 2/3)
VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC
VPR
1018
VPEAK
Highest Allowable Overvoltage
(Transient Overvoltage, tTR = 10 sec)
VTR
6000
VPEAK
Safety-Limiting Values
(Maximum Value Allowed in the Event of a Failure; see Figure 16)
Case Temperature
TS
150
°C
Input Current
IS, INPUT
265
mA
Output Current
IS, OUTPUT
335
mA
Insulation Resistance at TS, VIO = 500 V
RS
>109
Ω


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