ADM2486BRW Просмотр технического описания (PDF) - Analog Devices

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ADM2486BRW

High Speed, Half-Duplex iCoupler Isolated RS-485 Transceiver

Analog Devices 

ADM2486

VDE 0884 INSULATION CHARACTERISTICS

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 the physical package denotes VDE 0884 approval for 560 V peak working voltage.

Table 7.

Description

Installation Classification per DIN VDE 0110 for Rated Mains Voltage

≤150 V rms

≤300 V rms

≤400 V rms

Climatic Classification

Pollution Degree (DIN VDE 0110, Table 1)

Maximum Working Insulation Voltage

Input-to-Output Test Voltage, Method b1

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

(After Input and/or Safety Test, Subgroup 2/3)

VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC

Highest Allowable Overvoltage

(Transient Overvoltage, tTR = 10 sec)

Safety-Limiting Values (Mximum Value Allowed in the Event of a Failure. See

Figure 21.)

Case Temperature

Input Current

Output Current

Insulation Resistance at Ts, VIO = 500 V

Symbol

VIORM

VPR

VPR

VTR

TS

IS, INPUT

IS, OUTPUT

RS

Characteristic Unit

I to IV

I to III

I to II

40/85/21

2

560

1050

VPEAK

VPEAK

896

672

4000

150

265

335

>109

VPEAK

VPEAK

VPEAK

°C

mA

mA

Ω

Rev. C | Page 8 of 20

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