Low-Power RS-485 Full-Duplex Drivers/Receivers



Product details


Number of TX 1 Number of RX 1 Duplex Full Supply voltage (Nom) (V) 5 Signaling rate (Max) (Mbps) 20 IEC 61000-4-2 contact (+/- kV) Isolated No Fault protection (V) -9 to 14 Number of nodes 256 Common mode range -7 to 12 ICC (Max) (mA) 0.75 Rating Catalog Operating temperature range (C) -40 to 85 open-in-new Find other RS-485 & RS-422 transceivers

Package | Pins | Size

SOIC (D) 14 52 mm² 8.65 x 6 VSSOP (DGS) 10 9 mm² 3 x 3 open-in-new Find other RS-485 & RS-422 transceivers


  • Low Quiescent Power
    • 375 µA (Typical) Enabled Mode
    • 2 nA (Typical) Shutdown Mode
  • Small MSOP Package
  • 1/8 Unit-Load—Up to 256 Nodes per Bus
  • 16 kV Bus-Pin ESD Protection, 6 kV All Pins
  • Failsafe Receiver (Bus Open, Short, Idle)
  • TIA/EIA-485A Standard Compliant
  • RS-422 Compatible
  • Power-Up, Power-Down Glitch-Free Operation
    • Motion Controllers
    • Point-of-Sale (POS) Terminals
    • Rack-to-Rack Communications
    • Industrial Networks
    • Power Inverters
    • Battery-Powered Applications
    • Building Automation

open-in-new Find other RS-485 & RS-422 transceivers


Each of these devices is a balanced driver and receiver designed for full-duplex RS-485 or RS-422 data bus networks. Powered by a 5-V supply, they are fully compliant with the TIA/EIA-485A standard.

With controlled bus output transition times, the devices are suitable for signaling rates from 200 kbps to 20 Mbps.

The devices are designed to operate with a low supply current, less than 1 mA (typical), exclusive of the load. When in the inactive shutdown mode, the supply current drops to a few nanoamps, making these devices ideal for power-sensitive applications.

The wide common-mode range and high ESD protection levels of these devices make them suitable for demanding applications such as motion controllers, electrical inverters, industrial networks, and cabled chassis interconnects where noise tolerance is essential.

These devices are characterized for operation over the temperature range –40°C to 85°C

open-in-new Find other RS-485 & RS-422 transceivers
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Same functionality and pinout but is not an equivalent to the compared device:
THVD1552 ACTIVE 5V RS-485 Transceivers With ±18kV IEC ESD Protection Pin-to-pin device that offers integrated IEC ESD protection (18-kV contact discharge), IEC EFT (4-kV noise immunity), and extended common voltage range

Technical documentation

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* Datasheet Low-Power RS-485 Full-Duplex Drivers/Receivers datasheet (Rev. E) Nov. 26, 2012

Design & development

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Design tools & simulation

SLLM079A.ZIP (95 KB) - IBIS Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Reference designs

RS-485 Full Duplex Over Two Wires Reference Design
TIDA-00862 — The design enables full duplex RS-485 communications over a single pair of conductors rather than four by utilizing bus contention. By adding small-valued serial resistors to the bus lines to limit currents, a tri-stated differential bus is allowed and the SN65HVD96 SymPol transciver can be used to (...)
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CAD/CAE symbols

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SOIC (D) 14 View options
VSSOP (DGS) 10 View options

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