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APPLICATIONS

DESCRIPTION

SN65HVD54

SN65HVD52

0.1

1

10

100

10

100

1000

Cable Length (meters)

SN65HVD56

SN65HVD58

SN65HVD50

SN65HVD53

SN65HVD51

SN65HVD55

SN65HVD57

SN65HVD59

SN65HVD50-SN65HVD55

SN65HVD56-SN65HVD59

SLLS666 – SEPTEMBER 2005

HIGH OUTPUT FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS

The

SN65HVD50,

SN65HVD51,

SN65HVD52,

SN65HVD56 and SN65HVD57 are fully enabled with

•

1/8 Unit-Load Option Available (Up to 256

no external enabling pins. The SN65HVD56 and

Nodes on the Bus)

SN65HVD57

implement

receiver

equalization

•

Bus-Pin ESD Protection Exceeds 15 kV HBM

technology for improved performance in long distance

applications.

•

Optional Driver Output Transition Times for

The

SN65HVD53,

SN65HVD54,

SN65HVD55,

Mbps

SN65HVD58, and SN65HVD59 have active-high

driver enables and active-low receiver enables. A

•

Low-Current Standby Mode < 1

µA

very low, less than 1 uA, standby current can be

•

Glitch-Free Power-Up and Power-Down Bus

achieved by disabling both the driver and receiver.

I/Os

The

SN65HVD58

and

SN65HVD59

implement

•

Bus Idle, Open, and Short Circuit Failsafe

receiver

equalization

technology

for

improved

performance in long distance applications.

•

Meets or exceeds the requirements of ANSI

TIA/EIA-485-A and RS-422 Compatible

All devices are characterized for operation from -40°

•

3.3-V Devices available, SN65HVD30-39

C to +85°.

•

Utility Meters

•

Chassis-to-Chassis Interconnects

•

DTE/DCE Interfaces

•

Industrial, Process, and Building Automation

•

Point-of-Sale (POS) Terminals and Networks

The SN65HVD5X devices are 3-state differential line

drivers

and

differential-input

line

receivers

that

operate with a 5-V power supply. Each driver and

receiver has separate input and output pins for

full-duplex bus communication designs. They are

designed

for

balanced

transmission

lines

and

interoperation

with

ANSI

TIA/EIA-485A,

The

SN65HVD56

and

SN65HVD58

implement

TIA/EIA-422-B,

ITU-T

v.11

and

ISO

8482:1993

receiver equalization technology for improved jitter

standard-compliant devices.

performance on differential bus applications with data

rates up to 20 Mbps at cable lengths up to 160

meters.

The

SN65HVD57

and

SN65HVD59

implement

receiver equalization technology for improved jitter

performance on differential bus applications with data

(1)

The signaling rate of a line is the number of voltage

rates in the range of 1 to 5 Mbps at cable lengths up

transitions that are made per second expressed in the units

bps (bits per second).

to 1000 meters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright © 2005, Texas Instruments Incorporated

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.