MAX13443EASA Maxim Integrated Products, MAX13443EASA Datasheet

MAX13443EASA

Manufacturer Part Number

MAX13443EASA

Description

SOP8

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX13443EASA.pdf (18 pages)

2.MAX13443EASA.pdf (18 pages)

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Download datasheet (251Kb)

The MAX13442E/MAX13444E are fault-protected RS-485

and J1708 transceivers that feature ±80V protection from

signal faults on communication bus lines. The

MAX13442E/MAX13444E feature a reduced slew-rate dri-

ver that minimizes EMI and reflections, allowing error-free

transmission up to 250kbps. The MAX13443E driver can

transmit up to 10Mbps. The high-speed MAX13443E

RS-485 tranceiver features ±60V protection from signal

faults on communication bus lines. These transceivers fea-

ture foldback current limit. Each device contains one dif-

ferential line driver with three-state output and one

differential line receiver with three-state input. The 1/4-unit-

load receiver input impedance allows up to 128 trans-

ceivers on a single bus. The devices operate from a 5V

supply. True fail-safe inputs guarantee a logic-high receiv-

er output when the receiver inputs are open, shorted, or

connected to an idle data line.

Hot-swap circuitry eliminates false transitions on the

data bus during circuit initialization or connection to a

live backplane. Short-circuit current-limiting and ther-

mal-shutdown circuitry protect the driver against exces-

sive power dissipation, and on-chip ±15kV ESD

protection eliminates costly external protection devices.

The MAX13442E/MAX13443E/MAX13444E are avail-

able in an 8-pin SO package and are specified over the

automotive temperature range.

RS-422/RS-485

Communications

Truck and Trailer

Applications

Industrial Networks

19-3898; Rev 1; 3/06

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

MAX13442E

MAX13443E

MAX13444E

Pin Configurations and Typical Operating Circuits continued at end of data sheet.

PART

±15kV ESD-Protected, ±80V Fault-Protected,

TOP VIEW

RS-485

J1708

TYPE

________________________________________________________________ Maxim Integrated Products

DATA RATE

General Description

(Mbps)

0.25

Fail-Safe RS-485/J1708 Transceivers

Telecommunications

Systems

Automotive Applications

HVAC Controls

Applications

PROTECTION

Pin Configurations and Typical Operating Circuits

GND

FAULT

±80

±60

±80

(V)

LOW-POWER

SHUTDOWN

Yes

♦ ±15kV ESD Protection

♦ ±80V Fault Protection (±60V MAX13443E)

♦ Guaranteed 10Mbps Data Rate (MAX13443E)

♦ Hot-Swappable for Telecom Applications

♦ True Fail-Safe Receiver Inputs

♦ Enhanced Slew-Rate-Limiting Facilitates

♦ Allow Up to 128 Transceivers on the Bus

♦ -7V to +12V Common-Mode Input Range

♦ ±6mA FoldBack Current Limit

♦ Industry-Standard Pinout

MAX13442EASA

MAX13443EASA

MAX13444EASA

Error-Free Data Transmission

(MAX13442E/MAX13444E)

GND

RECEIVER/DRIVER

PART

ENABLE

Yes

MAX13442E

MAX13443E

-40°C to +125°C

TEMP RANGE

Ordering Information

TRANSCEIVERS

ON BUS

128

Selector Guide

PIN-

PACKAGE

8 SO

Features

Yes (only RE)

HOT SWAP

Yes

CODE

S8-4

PKG

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