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ADM2484E Datasheet

ADM2484E Datasheet

5 kV Signal Isolated, ESD Protected, 500 kbps, Full/Half Duplex RS-485 Transceiver
Part No.: ADM2484E
Page: 16 Pages
Size: 351 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2023-11-24 11:25:34
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ADM2484E Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADM2484EBRWZ Tube 47   3 16 -40°C ~ 85°C 16-Lead Standard Small Outline Package [SOIC_W]  
ADM2484EBRWZ-REEL7 Reel 400   3 16 -40°C ~ 85°C 16-Lead Standard Small Outline Package [SOIC_W]  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADM2484E Datasheet(PDF)

ADM2484E Datasheet(Picture)

ADM2484E Features

  • Isolated, RS-485/RS-422 transceiver, configurable as half- or full-duplex
  • ±15 kV ESD protection on RS-485 input/output pins
  • 500 kbps data rate
  • Complies with ANSI TIA/EIA RS-485-A-1998 and ISO 8482: 1987(E)
  • Suitable for 5 V or 3.3 V operation (VDD1)
  • High common-mode transient immunity: >25 kV/μs
  • True fail-safe receiver inputs
  • 256 nodes on the bus
  • Thermal shutdown protection
  • Safety and regulatory approvals
    • UL recognition
      • 5000 V rms isolation voltage for 1 minute per UL1577
    • VDE certificate of conformity
      • DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
      • Reinforced insulation, VIORM = 849 VPEAK
    • CSA Component Acceptance Notice 5A
      • IEC 60950-1: 380 V rms (reinforced)
  • Operating temperature range: −40°C to +85°C
  • Wide body, 16-lead SOIC package

ADM2484E Applications

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

ADM2484E Description

The ADM2484E is an isolated data transceiver with ±15 kV ESD protection suitable for high speed, half- or full-duplex communication on multipoint transmission lines. For half-duplex operation, the transmitter outputs and receiver inputs share the same transmission line. Transmitter Output Pin Y links externally to Receiver Input Pin A, and Transmitter Output Pin Z links externally to Receiver Input Pin B.

Designed for balanced transmission lines, the ADM2484E complies with ANSI TIA/EIA RS-485-A-1998 and ISO 8482: 1987(E). The device employs Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package.

The differential transmitter outputs and receiver inputs feature electrostatic discharge circuitry that provides protection up to ±15 kV using the human body model (HBM). The logic side of the device can be powered with either a 5 V or a 3.3 V supply, whereas the bus side requires an isolated 3.3 V supply.

The device has current-limiting and thermal shutdown features to protect against output short circuits and situations where bus contention causes excessive power dissipation.

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