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GENERAL DESCRIPTION

The ADM3251E is a high speed, 2.5 kV fully isolated, single-channel RS-232/V.28 transceiver device that operates from a single 5 V power supply. Due to the high ESD protection on the RIN and TOUT pins, the device is ideally suited for operation in electrically harsh environments or where RS-232 cables are frequently being plugged and unplugged.

FEATURES

2.5 kV fully isolated (power and data) RS-232 transceiver

isoPower integrated, isolated dc-to-dc converter

460 kbps data rate

1 Tx and 1 Rx

Meets EIA/TIA-232E specifications

ESD protection on RIN and TOUT pins

±8 kV: contact discharge

±15 kV: air gap discharge

0.1 μF charge pump capacitors

High common-mode transient immunity: >25 kV/μs

Safety and regulatory approvals

UL recognition

2500 V rms for 1 minute per UL 1577

VDE Certificate of Conformity

DIN EN 60747-5-2 (VDE 0884 Teil 2): 2003-01

CSA Component Acceptance Notice #5A

Operating temperature range: ?40°C to +85°C

Wide body, 20-lead SOIC package

APPLICATIONS

High noise data communications

Industrial communications

General-purpose RS-232 data links

Industrial/telecommunications diagnostic ports

Medical equipment