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Product details

Parameters

Number of TX 1 Number of RX 1 Duplex Half Supply voltage (Nom) (V) 5 Signaling rate (Max) (Mbps) 10 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) 16 Rating Catalog Operating temperature range (C) 0 to 70 open-in-new Find other RS-485 & RS-422 transceivers

Package | Pins | Size

PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other RS-485 & RS-422 transceivers

Features

  • Operates With a 3-V to 5.5-V Supply
  • Consumes Less Than 90-mW Quiescent Power
  • Open-Circuit, Short-Circuit, and Idle-Bus Failsafe
    Receiver
  • 1/8th Unit-Load (up to 256 nodes on the bus)
  • Bus-Pin ESD Protection Exceeds 16-kV HBM
  • Driver Output Voltage Slew-Rate Limited for
    Optimum Signal Quality at 10 Mbps
  • Electrically Compatible With ANSI TIA/EIA-485
    Standard
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Description

The SN65HVD08 combines a 3-state differential line driver and differential line receiver designed for balanced data transmission and interoperation with ANSI TIA/EIA-485-A and ISO-8482E standard-compliant devices.

The wide supply voltage range and low quiescent current requirements allow the SN65HVD08s to operate from a 5-V power bus in the cable with as much as a 2-V line voltage drop. Busing power in the cable can alleviate the need for isolated power to be generated at each connection of a ground-isolated bus.

The driver differential outputs and receiver differential inputs connect internally to form a differential input/output (I/O) bus port that is designed to offer minimum loading to the bus whenever the driver is disabled or not powered. The drivers and receivers have active-high and active-low enables respectively, which can be externally connected together to function as a direction control.

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Technical documentation

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Type Title Date
* Datasheet SNx5HVD08 Wide Supply Range RS-485 Transceiver datasheet (Rev. D) Jul. 09, 2015

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