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ADM483EARZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
±15 kV ESD Protected, Slew Rate
Limited, 5 V, RS-485 Transceiver
ADM483E
Rev. A
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
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FEATURES
±15 kV ESD protection
250 kbps data rate
Reduced slew rate for low EM interference
Single 5 V ± 10% supply
−7 V to +12 V bus common-mode range
Up to 32 nodes on the bus
Receiver open-circuit, fail-safe design
Short-circuit protection
36 μA supply current
0.1 μA shutdown current
APPLICATIONS
Low power RS-485 systems
Electrically harsh environments
EMI sensitive applications
DTE-DCE interface
Packet switching
Local area networks
FUNCTIONAL BLOCK DIAGRAM
R
D
ADM483E
B
A
RO
RE
DE
DI
0
6012-001
Figure 1.
GENERAL DESCRIPTION
The ADM483E is a 5 V, low power data transceiver with ±15 kV
ESD protection suitable for half-duplex communication on
multipoint bus transmission lines. The ADM483E is designed
for balanced data transmission and complies with TIA/EIA
Standards RS-485 and RS-422, which allow up to 32 transceivers
on a bus.
The ADM483E has a low current shutdown mode in which it
consumes only 0.1 μA.
Because only one driver is enabled at any time, the output of a
disabled or power-down driver is three-stated to avoid
overloading the bus.
Drivers are short-circuit current-limited and are protected
against excessive power dissipation by thermal shutdown
circuitry that places their outputs into a high impedance state.
The receiver input has a fail-safe feature that guarantees a logic
high output if the input is open circuit.
The ADM483E is fully specified over the industrial temperature
ranges and is available in 8-lead SOIC_N packages.
ADM483E* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
View a parametric search of comparable parts.
EVALUATION KITS
• Standard RS-485 Half-Duplex Evaluation Board, EVAL-
RS485HDEBZ
DOCUMENTATION
Application Notes
• AN-1176: Component Footprints and Symbols in the
Binary .Bxl File Format
• AN-960: RS-485/RS-422 Circuit Implementation Guide
Data Sheet
• ADM483E: 15 kV ESD Protected, Slew Rate Limited, 5 V,
RS-485 Transceiver Data Sheet
SOFTWARE AND SYSTEMS REQUIREMENTS
• ADI RS-485/RS-422 Cross Reference Guide
• RS-232 Transceivers Cross Reference Guide
REFERENCE MATERIALS
Solutions Bulletins & Brochures
• Emerging Energy Applications Solutions Bulletin, Volume
10, Issue 4
• Test & Instrumentation Solutions Bulletin, Volume 10,
Issue 3
DESIGN RESOURCES
• ADM483E Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
DISCUSSIONS
View all ADM483E EngineerZone Discussions.
SAMPLE AND BUY
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TECHNICAL SUPPORT
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number.
DOCUMENT FEEDBACK
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ADM483E
Rev. A | Page 2 of 16
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications .................................................................. 4
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Test Circuits and Switching Characteristics...................................9
General Information ...................................................................... 11
ESD Transient Protection Scheme ........................................... 11
ESD Testing................................................................................. 12
Applications Information.............................................................. 13
Differential Data Transmission ................................................ 13
Cable and Data Rate................................................................... 13
Outline Dimensions ....................................................................... 14
Ordering Guide .......................................................................... 14
REVISION HISTORY
12/07—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Features ......................................................................... 1
Changes to General Description .................................................... 1
Changes to Table 1............................................................................ 3
Changes to Table 2............................................................................ 4
Changes to Table 3............................................................................ 5
Changes to Table 5............................................................................ 6
Changes to Typical Performance Characteristics Section........... 7
Changes to Test Circuits and Switching Characteristics Section...9
Changes to General Information Section.................................... 11
Updated Outline Dimensions....................................................... 14
Changes to Ordering Guide .......................................................... 14
1/97—Revision 0: Initial Version
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

ADM483EARZ

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Manufacturer:
Analog Devices Inc.
Description:
RS-422/RS-485 Interface IC 5V 15kV ESD Low Pwr Half Duplex
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New from this manufacturer.
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