Overview

Features and Benefits

  • AutoDirection Saves Space and BOM Cost
    • AutoDirection Enables Driver Automatically on Transmission, Eliminating an Opto or Other Discrete Means of Isolation
    • 8-Pin SO Package
  • Robust Protection Features for Telecom, Industrial, and Isolated Applications
    • Hot-Swap Capability to Eliminate False Transitions on the Bus During Power-Up or Live Insertion
    • Extended ESD Protection for RS-485 I/O Pins (±15kV Human Body Model)
  • Options Optimize Designs for Speed or Errorless Data Transmission
    • Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission (MAX13487E)
    • High-Speed Version (MAX13488E) Allows for Transmission Speeds Up to 16Mbps
  • 1/4-Unit Load, Allowing Up to 128 Transceivers on the Bus

Product Details

The MAX13487E/MAX13488E +5V, half-duplex, ±15kV ESD-protected RS-485/RS-422-compatible transceivers feature one driver and one receiver. The MAX13487E/MAX13488E include a hot-swap capability to eliminate false transitions on the bus during power-up or live insertion.

The MAX13487E/MAX13488E feature Maxim's proprietary AutoDirection control. This architecture makes the devices ideal for applications, such as isolated RS-485 ports, where the driver input is used in conjunction with the driver-enable signal to drive the differential bus. The MAX13487E features reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free transmission up to 500kbps. The MAX13488E driver slew rate is not limited, allowing transmit speeds up to 16Mbps.

The MAX13487E/MAX13488E feature a 1/4-unit load receiver input impedance, allowing up to 128 transceivers on the bus. These devices are intended for half-duplex communications. All driver outputs are protected to ±15kV ESD using the Human Body Model. The MAX13487E/MAX13488E are available in an 8-pin SO package. The devices operate over the extended -40°C to +85°C temperature range.

Design Solution: Simplify Your Industrial Interface by Eliminating RS-485 Control Lines ›

Applications

  • Automated HVAC Systems
  • Industrial Controls
  • Industrial Motor Drives
  • Isolated RS-485 Interfaces
  • Utility Meters

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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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.