Overview

Features and Benefits

  • 5.7 kV rms, signal isolated RS-485/RS-422 transceiver
  • Low radiated emissions, passes EN55032 Class B with margin on a 2-layer PCB
  • Cable inversion smart feature
    • Correction for reversed cable connection on A, B, Y, and Z bus pins while maintaining full receiver fail-safe
  • ESD protection on the RS-485 A, B, Y, and Z bus pins
    • ≥±12 kV IEC61000-4-2 contact discharge
    • ≥±15 kV IEC61000-4-2 air discharge
  • Low speed 500 kbps data rate for EMI control
  • Flexible power supply inputs
    • Primary VDD1 supply of 1.7 V to 5.5 V
    • Isolated VDD2 supply of 3.0 V to 5.5 V
  • Profibus® compliant for 5 V VDD2
  • Wide −40°C to +125°C operating temperature range
  • High common-mode transient immunity: >250 kV/μs
  • Short-circuit, open-circuit, and floating input receiver fail-safe
  • Supports 192 bus nodes (72 kΩ receiver input impedance)
  • Full hot swap support (glitch free power-up and power-down)
  • Safety and regulatory approvals (pending)
  • CSA Component Acceptance Notice 5A, DIN V VDE V 0884-11,
  • UL 1577, CQC11-471543-2012, IEC 61010-1
  • 16-lead, wide body, SOIC_W package with >8.0 mm creepage and clearance in standard pinout 

Product Details

The ADM2461E/ADM2463E are 500 kbps, 5.7 kV rms, signal isolated RS-485 transceivers that pass radiated emissions testing to the EN55032 Class B standard with margin on a 2-layer printed circuit board (PCB). The ADM2461E/ADM2463E isolation barrier provides robust immunity to noise and system level EMC events. The devices are protected against ≥±12 kV contact and ≥ ±15 kV air IEC61000-4-2 electrostatic discharge (ESD) events on the RS-485 A, B, Y, and Z pins. The devices feature cable invert pins to allow quick correction of the reversed cable connection on the A, B, Y, and Z bus pins while maintaining full receiver fail-safe performance. 

These devices are optimized for low speed over long cable runs and have a maximum data rate of 500 kbps. The high differential output voltage makes these devices suitable for Profibus nodes when powered with 5 V on the VDD2 supply. The VDD1 primary supply and VDD2 isolated supply both support a wide range of voltages (1.7 V to 5.5 V and 3 V to 5.5 V, respectively). Half-duplex and full duplex device options are available in the industry standard 16-lead, wide-body, standard SOIC_W package with >8.0 mm creepage and clearance. 

APPLICATIONS  

  • Heating, ventilation, and air conditioning (HVAC) networks
  • Industrial field buses
  • Building automation
  • Utility networks

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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Evaluation Boards Pricing displayed is based on 1-piece.
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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.