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ADM3483:  3.3 V, Low Power, RS-485/RS-422 Transceiver (Half Duplex, 250 kbps, Slew Rate Limited, DE/RE)

Product Details


The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes the ADM3483/ADM3485/ADM3488/ ADM3490/ADM3491 ideal for power-sensitive applications.

The ADM3488/ADM3490/ADM3491 feature full-duplex com-munication, while the ADM3483/ADM3485 are designed for half-duplex communication.

The ADM3483/ADM3488 feature slew rate limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250 kbps.

The ADM3485/ADM3490/ADM3491 transmit at up to 10 Mbps. The receiver input impedance is 12 kΩ, allowing up to 32 trans-ceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions, then the thermal shutdown circuit forces the driver output into a high impedance state. If the inputs are unconnected (floating), the receiver contains a fail-safe feature that results in a logic high output state. The parts are fully specified over the commercial and industrial temperature ranges. The ADM3483/ADM3485/ ADM3488/ADM3490 are available in 8-lead SOIC_N; the ADM3491 is available in a 14-lead SOIC_N.

Applications
  • Low-Power RS-485/RS-422 Applications
  • Telecom
  • Industrial Process Control
  • HVAC

FEATURES and BENEFITS

  • Operate with 3.3 V supply
  • Interoperable with 5 V logic
  • EIA RS-485/RS-422 Compliant over Full Common-mode Range
  • Data Rate Options:250kbps
  • Half and Full Duplex Options
  • Reduced Slew Rates for Low EMI
  • 2nA Supply Current in Shutdown Mode
  • Up to 32 Transceivers on a Bus
  • -7V to +12V Bus Common Mode Range
  • Specified over –40°C to +85°C Temperature Range
  • Available in 8-Lead SOIC

Functional Block Diagram for ADM3483

Enter values and click on PowerMe to find power solutions for this IC. PowerMe launch of ADIsimPower Voltage Regulator Design Tool
(Nominal) For IC being powered
Available System Voltage V Operating Voltage Rail V Load Current A

Documentation

Title Content Type File Type
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491: 3.3V Slew Rate Limited, Half and Full Duplex, RS-485/RS-422 Transceivers Data Sheet (Rev E, 11/2011) (pdf, 449 kB) Data Sheets PDF
AN-1176: Component Footprints and Symbols in the Binary .Bxl File Format  (pdf, 671 kB) Application Notes PDF
AN-960: RS-485/RS-422 Circuit Implementation Guide  (pdf, 245 kB) Application Notes PDF
Solving Isolation Challenges in Industrial Automation
This webcast will discuss the role isolation plays in providing protection and reducing the system bit-error-rate, using the specific design challenges of an RS-485 network. Topics to be covered in this presentation will include: Why and when one should isolate, Types of isolation and their advantages, Design Considerations for an RS-485 node (and how this translates to design considerations for signal isolation) as well as many other topics.
Webcasts WEBCAST
Brochure: Motor and Power Control Solutions  (pdf) Overview PDF
Industrial Automation Solutions  (pdf, 6110 kB) Overview PDF
Emerging Energy Applications Solutions Bulletin, Volume 10, Issue 4  (pdf, 1496 kB) Solutions Bulletins PDF
Test & Instrumentation Solutions Bulletin, Volume 10, Issue 3  (pdf, 1334 kB) Solutions Bulletins PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

ADM3483 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADM3483ARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.01 $0.91 Y  Material Info PCN Purchase Sample
ADM3483ARZ-REEL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $0.91 Y  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-RS485HDEBZ Status: Production Standard Half-Duplex RS-485 Evaluation Board $30.00 Yes -
ADM1485ARZ Status: Production 5V, 30 Mbps, 32 nodes, -40C to +85C $3.10 Yes -
ADM1485JRZ Status: Production 5V, 30 Mbps, 32 nodes, 0C to +70C $2.33 Yes -
ADM1486AR Status: Production 5V, 30 Mbps, 50 nodes, Profibus-compliant, -40C to +85C, Not ROHS Compliant $3.03 No -
ADM1486ARZ Status: Production 5V, 30 Mbps, 50 nodes, Profibus-compliant, -40C to +85C $2.63 Yes -
ADM1487EARZ Status: Production 5V, Enhanced ESD, 2.5 Mbps, 128 nodes, -40C to +85C $1.59 Yes -
ADM3072EARZ Status: Production 3.3V, Enhanced ESD, 250 kbps, 256 nodes, -40C to +85C $1.84 Yes -
ADM3072EYRZ Status: Production 3.3V, Enhanced ESD, 250 kbps, 256 nodes, -40C to +125C $2.02 Yes -
ADM3075EARZ Status: Production 3.3V, Enhanced ESD, 500 kbps, 256 nodes, -40C to +85C $1.84 Yes -
ADM3075EWYRZ Status: Production 3.3V, Enhanced ESD, 500 kbps, 256 nodes, -40C to +125C, Automotive - Yes -
ADM3075EYRZ Status: Production 3.3V, Enhanced ESD, 500 kbps, 256 nodes, -40C to +125C $2.02 Yes -
ADM3078EARZ Status: Production 3.3V, Enhanced ESD, 16 Mbps, 256 nodes, -40C to +85C $1.87 Yes -
ADM3078EYRZ Status: Production 3.3V, Enhanced ESD, 16 Mbps, 256 nodes, -40C to +125C $2.05 Yes -
ADM3483ARZ Status: Production 3.3V, 250 kbps, 32 nodes, -40C to +85C $1.21 Yes -
ADM3483EARZ Status: Production 3.3V, Enhanced ESD, 250 kbps, 32 nodes, -40C to +85C $1.59 Yes -
ADM3485ARZ Status: Production 3.3V, 10 Mbps, 32 nodes, -40C to +85C $1.42 Yes -
ADM3485EAR Status: Production 3.3V, Enhanced ESD, 12 Mbps, 32 nodes, -40C to +85C, Not ROHS Compliant $3.51 No -
ADM3485EARZ Status: Production 3.3V, Enhanced ESD, 12 Mbps, 32 nodes, -40C to +85C $3.04 Yes -
ADM3486EARZ Status: Production 3.3V, Enhanced ESD, 2.5 Mbps, 32 nodes, -40C to +85C $1.59 Yes -
ADM3493ARZ Status: Production 3.3V, 250 kbps, 256 nodes, -40C to +85C $1.32 Yes -
ADM483ARZ Status: Production 5V, 250 kbps, 32 nodes, -40C to +85C $0.76 Yes -
ADM483EARZ Status: Production 5V, Enhanced ESD, 250 kbps, 32 nodes, -40C to +85C $1.68 Yes -
ADM4850ARZ Status: Production 5V, 115 kbps, 256 nodes, -40 to +85C $0.91 Yes -
ADM4851ARZ Status: Production 5V, 500 kbps, 256 nodes, -40 to +85C $0.91 Yes -
ADM4852ARZ Status: Production 5V, 2.5 Mbps, 256 nodes, -40 to +85C $0.91 Yes -
ADM4853ARZ Status: Production 5V, 10 Mbps, 256 nodes, -40 to +85C $0.91 Yes -
ADM4853WARZ-RL7 Status: Production 5V, 10 Mbps, 256 nodes, -40 to +85C, Automotive - Yes -
ADM485AR Status: Production 5V, 5 Mbps, 32 nodes, -40 to +85C, Not ROHS Compliant $2.85 No -
ADM485ARZ Status: Production 5V, 5 Mbps, 32 nodes, -40 to +85C $2.47 Yes -
ADM485EARZ Status: Production 5V, Enhanced ESD, 2.5 Mbps, 32 nodes, -40 to +85C $1.59 Yes -
ADM485JRZ Status: Production 5V, 5 Mbps, 32 nodes, 0 to +70C $1.86 Yes -
ADM487EARZ Status: Production 5V, Enhanced ESD, 2.5 Mbps, 32 nodes, -40 to +85C $1.59 Yes -
ADM487EWARZ Status: Production 5V, Enhanced ESD, 2.5 Mbps, 32 nodes, -40 to +85C, Automotive $3.18 Yes -
ezLINX™ iCoupler® Isolated Interface Development Environment
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EZLINX-IIIDE-EBZ Status: Production iCoupler® Isolated Interface Development Environment Evaluation Board $149.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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