Overview

Features and Benefits

  • Low Power: ICC = 7mA Typ
  • Designed for RS485 or RS422 Applications
  • Single 5V Supply
  • –7V to 12V Bus Common Mode Range Permits ±7V Ground Difference Between Devices on the Bus
  • 60mV Typical Input Hysteresis
  • Receiver Maintains High Impedance in Three-State or with the Power Off
  • 28ns Typical Receiver Propagation Delay
  • Pin Compatible with the SN75173 (LTC488)
  • Pin Compatible with the SN75175 (LTC489)

Product Details

The LTC488 and LTC489 are low power differential bus/line receivers designed for multipoint data transmission standard RS485 applications with extended common mode range (12V to –7V). They also meet the requirements of RS422.

The CMOS design offers significant power savings over its bipolar counterpart without sacrificing ruggedness against overload or ESD damage.

The receiver features three-state outputs, with the receiver output maintaining high impedance over the entire common mode range.

The receiver has a fail-safe feature which guarantees a high output state when the inputs are left open.

Both AC and DC specifications are guaranteed 4.75V to 5.25V supply voltage range.

Applications

  • Low Power RS485/RS422 Receivers
  • Level Translator

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.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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