SP481REP Sipex Corporation, SP481REP Datasheet

SP481REP

Manufacturer Part Number

SP481REP

Description

Manufacturer

Sipex Corporation

Datasheet

1.SP485REN.pdf (9 pages)

Specifications of SP481REP

Case

8 PDIP

Date_code

06+

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FEATURES

The SP481R and SP485R are pin-to-pin equivalent with our existing SP485 product and contain

enhancements such as higher ESD tolerance and high receiver input impedance. The higher

receiver input impedance allows for connecting over 400 transceivers on a single transmission

line without degrading the RS-485 driver signal. Each device is packaged in an 8-pin plastic DIP

or 8-pin narrow SOIC package. The SP481R offers a shutdown feature via the enable pins which

will reduce the supply current (I

Date: 6/21/04

Allows Over 400 Transceivers On A

Transmission Line (1/10th Unit Load)

High Impedance on Receiver Inputs

Half-Duplex Configuration Consistent

With Industry Standard Pinout

–7V to +12V Common Mode Input

Voltage Range

Includes Shutdown Mode (I

(For SP481R Only)

Low Power Consumption (250mW)

Separate Driver and Receiver Enable

= 150kΩ typical)

1/10th Unit Load RS-485 Transceiver

RO 1

RE 2

DE 3

DI 4

) below 0.5µA typical.

< 10µA)

SP485R RS-485 Serial Transceiver

Top View

SP485

Now Available in Lead Free Packaging

TYPICAL APPLICATION CIRCUIT

GND

SP481R/SP485R

DESCRIPTION

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