ADM2481BRWZ 查看數據表（PDF） - Analog Devices

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ADM2481BRWZ

Half-Duplex, iCoupler Isolated RS-485 Transceiver

Analog Devices 

ADM2481

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

≤150 V rms

≤300 V rms

≤400 V rms

Climatic Classification

Pollution Degree (Table 1 in DIN VDE 0110)

Maximum Working Insulation Voltage

Input to Output Test Voltage, Method b1

VIORM × 1.875 = VPR, 100% Production Tested

tm = 1 sec, Partial Discharge of < 5 pC

Input-to-Output Test Voltage, Method a

(After Environmental Tests, Subgroup 1)

VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge of < 5 pC

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

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

Highest Allowable Overvoltage

(Transient Overvoltage, tTR = 10 sec)

Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure; see Figure 13)

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. 0 | Page 5 of 20

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