Transceiver. SN65HVD08 Datasheet

SN65HVD08 Datasheet PDF


Part

SN65HVD08

Description

Wide Supply Range RS-485 Transceiver

Manufacture

etcTI

Page 30 Pages
Datasheet
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SN65HVD08 Datasheet
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SN75HVD08, SN65HVD08
SLLS550D – NOVEMBER 2002 – REVISED JULY 2015
SNx5HVD08 Wide Supply Range RS-485 Transceiver
1 Features
1 Operates With a 3-V to 5.5-V Supply
• Consumes Less Than 90-mW Quiescent Power
• Open-Circuit, Short-Circuit, and Idle-Bus Failsafe
Receiver
• 1/8th Unit-Load (up to 256 nodes on the bus)
• Bus-Pin ESD Protection Exceeds 16-kV HBM
• Driver Output Voltage Slew-Rate Limited for
Optimum Signal Quality at 10 Mbps
• Electrically Compatible With ANSI TIA/EIA-485
Standard
2 Applications
• Data Transmission With Remote Stations
Powered From the Host
• Isolated Multipoint Data Buses
• Industrial Process Control Networks
• Point-of-Sale Networks
• Electric Utility Metering
3 Description
The SN65HVD08 combines a 3-state differential line
driver and differential line receiver designed for
balanced data transmission and interoperation with
ANSI TIA/EIA-485-A and ISO-8482E standard-
compliant devices.
The wide supply voltage range and low quiescent
current requirements allow the SN65HVD08s to
operate from a 5-V power bus in the cable with as
much as a 2-V line voltage drop. Busing power in the
cable can alleviate the need for isolated power to be
generated at each connection of a ground-isolated
bus.
The driver differential outputs and receiver differential
inputs connect internally to form a differential
input/output (I/O) bus port that is designed to offer
minimum loading to the bus whenever the driver is
disabled or not powered. The drivers and receivers
have active-high and active-low enables respectively,
which can be externally connected together to
function as a direction control.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN75HVD08,
SN65HVD08
SOIC (8)
PDIP (8)
4.90 mm × 3.91 mm
9.81 mm × 6.35 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
5 V Power
Host
Typical Application Schematic
Remote
(One of n Shown)
Isolation
Barrier
Direct
Connection
to Host
5 V Return
SN65HVD08
Power Bus and Return Resistance
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. PRODUCTION DATA.

SN65HVD08 Datasheet
SN75HVD08, SN65HVD08
SLLS550D – NOVEMBER 2002 – REVISED JULY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ...................................... 3
6.2 ESD Ratings.............................................................. 3
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 4
6.6 Driver Switching Characteristics ............................... 5
6.7 Receiver Switching Characteristics........................... 5
6.8 Typical Characteristics .............................................. 7
7 Parameter Measurement Information .................. 8
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 12
9 Application and Implementation ........................ 14
9.1 Application Information............................................ 14
9.2 Typical Application ................................................. 17
10 Power Supply Recommendations ..................... 20
11 Layout................................................................... 20
11.1 Layout Guidelines ................................................. 20
11.2 Layout Example .................................................... 20
12 Device and Documentation Support ................. 21
12.1 Device Support...................................................... 21
12.2 Related Links ........................................................ 21
12.3 Community Resources.......................................... 21
12.4 Trademarks ........................................................... 21
12.5 Electrostatic Discharge Caution ............................ 21
12.6 Glossary ................................................................ 21
13 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
Changes from Revision C (July 2006) to Revision D
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
2 Submit Documentation Feedback
Copyright © 2002–2015, Texas Instruments Incorporated
Product Folder Links: SN75HVD08 SN65HVD08


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN75HVD08, SN65HVD08 SLLS550 D – NOVEMBER 2002 – REVISED JULY 20 15 SNx5HVD08 Wide Supply Range RS-485 T ransceiver 1 Features •1 Operates Wi th a 3-V to 5.5-V Supply • Consumes L ess Than 90-mW Quiescent Power • Open -Circuit, Short-Circuit, and Idle-Bus F ailsafe Receiver • 1/8th Unit-Load (u p to 256 nodes on the bus) • Bus-Pin ESD Protection Exceeds 16-kV HBM • Dr iver Output Voltage Slew-Rate Limited f or Optimum Signal Quality at 10 Mbps Electrically Compatible With ANSI TIA /EIA-485 Standard 2 Applications • Da ta Transmission With Remote Stations Po wered From the Host • Isolated Multip oint Data Buses • Industrial Process Control Networks • Point-of-Sale Netw orks • Electric Utility Metering 3 D escription The SN65HVD08 combines a 3-s tate differential line driver and diffe rential line receiver designed for bala nced data transmission and interoperation with ANSI TIA/EIA-485-A and ISO-8482E standardcom.
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