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ADM2481 Description

The ADM2481 differential bus transceiver is an integrated, galvanically isolated ponent designed for bidirectional data munication on balanced, multipoint bus transmission lines. It plies with ANSI EIA/TIA-485-A and ISO 8482: Using iCoupler® technology from Analog Devices, Inc., the ADM2481 bines a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package.

ADM2481 Key Features

  • RS-485 transceiver with electrical data isolation
  • plies with ANSI TIA/EIA-485-A and ISO 8482: 1987(E)
  • 500 kbps data rate
  • Slew rate-limited driver outputs
  • Low power operation: 2.5 mA maximum
  • Suitable for 5 V or 3.3 V operations (VDD1)
  • High mon-mode transient immunity: >25 kV/μs
  • True fail-safe receiver inputs
  • Chatter-free power-up/power-down protection
  • 256 nodes on bus