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2.5 kV Signal Isolated, High Speed (20 Mbps), Half Duplex RS-485 Transceiver

ADM2486BRWZ General Description

The ADM2486 differential bus transceiver is an integrated, galvanically isolated component designed for bidirectional data communication on multipoint bus transmission lines. It is designed for balanced transmission lines and complies with ANSI EIA/TIA-485-A and ISO 8482: 1987(E).

Key Features

  • Half-duplex, isolated RS-485 transceiver
  • PROFIBUS® compliant
  • ANSI EIA/TIA 485-A and ISO 8482: 1987(E) compliant
  • 20 Mbps data rate
  • 5 V or 3 V operation (VDD1)
  • High common-mode transient immunity: >25 kV/μs
  • Isolated DE status output
  • Receiver open-circuit, fail-safe design
  • Thermal shutdown protection
  • 50 nodes on bus
  • Safety and regulatory approvals
    • UL recognition—2500 Vrms for 1 minute per UL 1577
    • CSA Component Acceptance Notice #5A
      • IEC 609501 800 Vrms (basic), 400 Vrms (reinforced)
    • VDE Certificate of Conformity
      • DIN V VDE 0884-10 (VDE V 0884-10): 2006-12
  • VIORM = 560 V peak
  • Operating temperature range: −40°C to +85°C
  • Wide body, 16-lead SOIC package


  • Isolated RS-485/RS-422 interfaces
  • PROFIBUS networks
  • Industrial field networks
  • Multipoint data transmission systems


Source Content uid ADM2486BRWZ Pbfree Code No
Part Life Cycle Code Active Pin Count 16
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Differential Output YES
Driver Number of Bits 1 Input Characteristics DIFFERENTIAL SCHMITT TRIGGER
Interface IC Type LINE TRANSCEIVER Interface Standard EIA-485-A; TIA-485-A; ISO 8482E
JESD-30 Code R-PDSO-G16 Moisture Sensitivity Level 1
Number of Functions 1 Number of Terminals 16
Peak Reflow Temperature (Cel) 260 Receiver Number of Bits 1
Surface Mount YES Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN Terminal Form GULL WING
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 30
Product Category Digital Isolators Series ADM2486
Mounting Style SMD/SMT Number of Channels 3 Channel
Polarity Unidirectional Data Rate 20 Mb/s
Isolation Voltage 2500 Vrms Isolation Type Galvanic Isolation
Supply Voltage - Max 5.5 V Supply Voltage - Min 2.7 V
Operating Supply Current 3 mA Propagation Delay Time 45 ns
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Development Kit EVAL-ADM2486EBZ Operating Supply Voltage 5 V
Output Current 3 mA Product Type Digital Isolators
Protocol Supported RS-485 Shutdown No Shutdown
Factory Pack Quantity 47 Subcategory Interface ICs
Supply Type Dual Type RS-485 Isolated Transceiver
Unit Weight 0.023492 oz Technology Magnetic Coupling
Isolated Power No Inputs - Side 1/Side 2 2/1
Channel Type Bidirectional Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 25kV/µs Propagation Delay tpLH / tpHL (Max) 55ns, 55ns
Pulse Width Distortion (Max) 5ns Rise / Fall Time (Typ) 5ns, 5ns
Voltage - Supply 3V, 5V Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount Base Product Number ADM2486

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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Ratings and Reviews

T**r 05/13/2024

Thank you pradovtsu, rekamenduyu.

S**a 10/13/2022

Impressive delivery speed! Avaq surpassed my expectations with their lightning-fast shipping. Received my order in no time with no issues. Excellent service!

C**b 06/05/2020

The order came to the tula region for 60 days. The parcel was put in the mailbox. Looks like normal leds.

D**n 03/27/2020

Resistors are normal. Shipping is long.



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