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SN65HVD30, SN65HVD31, SN65HVD32

SN65HVD33, SN65HVD34, SN65HVD35

SLLS665K – SEPTEMBER 2005 – REVISED OCTOBER 2015

SN65HVD3x 3.3-V Full-Duplex RS-485 Drivers and Receivers

1 Features

3 Description

The SN65HVD3x devices are 3-state differential line

1

•

1/8 Unit-Load Option Available

drivers

and

differential-input

line

receivers

that

(Up to 256 Nodes on the Bus)

operate with 3.3-V power supply.

•

Bus-Pin ESD Protection Exceeds 15-kV HBM

Each driver and receiver has separate input and

•

Optional Driver Output Transition Times for

output

pins

for

full-duplex

bus

communication

Signaling Rates of 1 Mbps, 5 Mbps and 26 Mbps

designs. They are designed for RS-422 and RS-485

–

Line Signaling Rate is the Number of Voltage

data transmission over cable lengths of up to

Transitions Made per Second Expressed in

1500 meters.

Units of bps (bits per second)

The SN65HVD30, SN65HVD31, and SN65HVD32

•

Low-Current Standby Mode: <1

μA

devices are fully enabled with no external enabling

pins.

•

Glitch-Free Power-Up and Power-Down Protection

for Hot-Plugging Applications

The SN65HVD33, SN65HVD34, and SN65HVD35

•

5-V Tolerant Inputs

devices have active-high driver enables and active-

low receiver enables. A low, less than 1

μA, standby

•

Bus Idle, Open, and Short-Circuit Failsafe

current can be achieved by disabling both the driver

•

Driver Current Limiting and Thermal Shutdown

and receiver.

•

Designed for RS-422 and RS-485 Networks

All

devices

are

characterized

for

ambient

•

5-V Devices Available, SN65HVD50-55

temperatures from –40°C to 85°C. Low power

dissipation allows operation at temperatures up to

2 Applications

105°C or 125°C, depending on package option.

•

Utility Meters

Device Information(1)

•

DTE and DCE Interfaces

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Industrial, Process, and Building Automation

SN65HVD30

•

Point-of-Sale (POS) Pins and Networks

SN65HVD31

SOIC (8)

4.90 mm × 3.91 mm

SN65HVD32

SOIC (14)

8.65 mm × 3.91 mm

SN65HVD33

VQFN (20)

4.50 mm × 3.50 mm

SN65HVD34

SOIC (14)

8.65 mm × 3.91 mm

SN65HVD35

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Typical Application Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.