ADM2795E

PRODUCTION

Robust 5 kV RMS Isolated RS-485/RS-422 Transceiver with Level 4 EMC and Full ±42 V Protection

Data Sheet (Rev. B) Product Selection Table
Part Models
6
1ku List Price
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Part Details

  • 5 kV rms isolated RS-485/RS-422 transceiver
  • ±42 V ac/dc peak fault protection on RS-485 bus pins
  • Certified Level 4 EMC protection on RS-485 A, B bus pins
    • IEC 61000-4-5 surge protection (±4 kV)
    • IEC 61000-4-4 electrical fast transient (EFT) protection (±2 kV)
    • IEC 61000-4-2 electrostatic discharge (ESD) protection
      • ±8 kV contact discharge
      • ±15 kV air discharge
    • IEC 61000-4-6 conducted radio frequency (RF) immunity (10 V/m rms)
  • Certified IEC 61000-4-x immunity across isolation barrier
    • IEC 61000-4-2 ESD, IEC 61000-4-4 EFT, IEC 61000-4-5 surge, IEC 61000-4-6 conducted RF immunity, IEC 61000-4-3 radiated immunity, IEC 61000-4-8 magnetic immunity
  • RS-485 A, B pins human body model (HBM) ESD protection: >±30 kV
  • Safety and regulatory approvals (pending)
    • CSA Component Acceptance Notice 5A, DIN V VDE V 0884-10, UL 1577, CQC11-471543-2012
  • TIA/EIA RS-485/RS-422 compliant over full supply range
    • 3 V to 5.5 V operating voltage range on VDD2
    • 1.7 V to 5.5 V operating voltage range on VDD1 logic supply
  • Common-mode input range of −25 V to +25 V
  • High common-mode transient immunity: >75 kV/μs
  • Robust noise immunity (tested to the IEC 62132-4 standard)
  • Passes EN55022 Class B radiated emissions by 6 dBμV/m margin
  • Receiver short-circuit, open-circuit, and floating input fail-safe
  • Supports 256 bus nodes (96 kΩ receiver input impedance)
  • −40°C to +125°C temperature option
  • Glitch free power-up/power-down (hot swap)

    • ADM2795E-EP supports defense and aerospace applications (AQEC standard)
    • Download ADM2795E-EP data sheet (pdf)
    • Military −55°C to +125°C temperature range
    • Controlled manufacturing baseline
    • 1 assembly/test site
    • Enhanced product change notification
    • Qualification data available on request
    • V62/17611 DSCC Drawing Number
    ADM2795E

    Robust 5 kV RMS Isolated RS-485/RS-422 Transceiver with Level 4 EMC and Full ±42 V Protection

    ADM2795E Functional Block Diagram ADM2795E Pin Configuration
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    Documentation

    Data Sheet 3

    User Guide 2

    Application Note 2

    Informational 1

    Safety and Regulatory Compliance 1

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    Tools & Simulations

    IBIS Model 1

    Evaluation Kits

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    schematic 1
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    schematic 3
    schematic 4
    EVAL-ADM2795E

    ADM2795E/ADM2795E-EP Evaluation Board

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    Features and Benefits

    • 5 kV rms signal isolated RS-485/RS-422 transceiver
    • Convenient connections for power supplies and signals through screw terminal blocks and jumper connections
    • 1.7 V to 5.5 V operating voltage range on VDD1 logic supply
    • 3 V to 5.5 V operating voltage range on VDD2
    • −55°C to +125°C temperature range use EVAL-ADM2795EEPBZ
    • See user guide UG-997 and UG-1120 for additional features

    Product Details

    Use the EVAL-ADM2795EEBZ to easily evaluate the ADM2795E 5 kV rms signal isolated RS-485/RS-422 transceiver with Level 4 IEC EMC and 24 V supply fault protection. The EVAL-ADM2795EEBZ evaluation board is easily configured through jumper connections and screw terminal blocks for signal and power connections. The EVAL-ADM2795EEBZ can be powered with either a 9 V battery or a standard configurable bench top power supply. An on-board trimmer potentiometer and an on- board regulator circuit on both VDD1 and VDD2 allow easy power configuration when connected to a 9 V battery.


    For −55°C to +125°C temperature ranges, use the EVAL-ADM2795EEPBZ. EVAL-ADM2795EEPBZ shares the same evaluation platform features and to support defense and aerospace applications (AQEC standard and DO-160G ESD & EMC).
    EVAL-ADM2795E
    ADM2795E/ADM2795E-EP Evaluation Board
    EVAL-ADM2795EEBZANGLE-web EVAL-ADM2795EEBZBOTTOM-web EVAL-ADM2795EEBZTOP-web EVAL-ADM2795EEPBZ Image

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