ADM3232EARNZ-REEL7

FEATURES

Data rate: 460 kbps

2 Tx and 2 Rx

Meets EIA-232E specifications

0.1 μF charge pump capacitors

ESD protection to IEC1000-4-2 (801.2)

on TTL/CMOS and RS-232 I/Os

Contact discharge: ±8 kV

Air gap discharge: ±15 kV

APPLICATIONS

General-purpose RS-232 data link

Portable instruments

Handsets

Industrial/telecom diagnostic ports 

GENERAL DESCRIPTION

The ADM3232E transceiver is a high speed, 2-channel RS-232/V.28

interface device that operates from a single 3.3 V power supply.

Low power consumption makes it ideal for battery-powered

portable instruments. The ADM3232E conforms to the EIA-232E

and CCITT V.28 specifications and operates at data rates up to

460 kbps.

All RS-232 (T_OUT and R_IN) and TTL/CMOS (T_IN and R_OUT)

inputs and outputs are protected against electrostatic discharges

(up to ±15 kV ESD protection). This ensures compliance with

IEC 1000-4-2 requirements.

This device is ideally suited for operation in electrically harsh

environments or where RS-232 cables are frequently plugged/

unplugged, with the ±15 kV ESD protection of the ADM3232E

input/output pins. 

Emissions are also controlled to within very strict limits. CMOS

technology is used to keep the power dissipation to an absolute

minimum, allowing maximum battery life in portable applications.

Four external 0.1 μF charge pump capacitors are used for the

voltage doubler/inverter, permitting operation from a single

3.3 V supply.

The ADM3232E is available in a 16-lead narrow SOIC package,

as well as a space-saving 16-lead TSSOP. 

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