ADM3251E(Rev0) データシートの表示（PDF） - Analog Devices

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ADM3251E
(Rev.:Rev0)

Isolated, Single-Channel RS-232 Line Driver/Receiver

Analog Devices 

ADM3251E

DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 INSULATION CHARACTERISTICS (PENDING)

This isolator is suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by

protective circuits.

Table 6.

Description

Installation Classification per DIN VDE 0110

For Rated Mains Voltage ≤ 150 V rms

For Rated Mains Voltage ≤ 300 V rms

Climatic Classification

Pollution Degree (DIN VDE 0110, Table 1)

Maximum Working Insulation Voltage

Input-to-Output Test Voltage

Method b1

Method a

After Environmental Test Subgroup 1

After Input and/or Safety Subgroup 2/Subgroup 3

Highest Allowable Overvoltage

Safety-Limiting Values

Case Temperature

Supply Current

Insulation Resistance at TS

Conditions

Symbol Characteristic Unit

VIORM

I to IV

I to III

40/105/21

2

424

V peak

VIORM × 1.875 = VPR, 100% production VPR

795

test, tm = 1 sec, partial discharge < 5 pC

V peak

VIORM × 1.6 = VPR, tm = 60 sec, partial

VPR

discharge < 5 pC

VIORM × 1.2 = VPR, tm = 60 sec, partial

VP

discharge < 5 pC

Transient overvoltage, tTR = 10 sec

VTR

Maximum value allowed in the event

of a failure

TS

IS1

VIO = 500 V

RS

680

510

4000

150

531

>109

V peak

V peak

V peak

°C

mA

Ω

Rev. 0 | Page 6 of 16

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