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Product details

Parameters

Supply voltage(s) (Nom) (V) 5 Number of TX 1 Number of RX 1 Duplex Half Signaling rate (Max) (Mbps) 10 IEC 61000-4-2 contact (+/- kV) None HBM ESD (kV) 2 Fault protection (V) -10 to 15 Number of nodes 32 Common mode range -7 to 12 ICC (Max) (mA) 70 Isolated No Rating Catalog Operating temperature range (C) 0 to 70 Approx. price (US$) 0.71 | 1ku 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 SOP (PS) 8 48 mm² 6.2 x 7.8 open-in-new Find other RS-485 & RS-422 transceivers

Features

  • Bidirectional Transceivers
  • Meet or Exceed the Requirements of ANSI
    Standards TIA/EIA-422-B and TIA/EIA-485-A
    and ITU Recommendations V.11 and X.27
  • Designed for Multipoint Transmission on
    Long Bus Lines in Noisy Environments
  • 3-State Driver and Receiver Outputs
  • Individual Driver and Receiver Enables
  • Wide Positive and Negative Input/Output Bus Voltage Ranges
  • ± 60-mA Max Driver Output Capability
  • Thermal Shutdown Protection
  • Driver Positive and Negative Current Limiting
  • 12-kΩ Min Receiver Input Impedance
  • ± 200-mV Receiver Input Sensitivity
  • 50-mV Typ Receiver Input Hysteresis
  • Operate From Single 5-V Supply
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Description

The SN65176B and SN75176B differential bus transceivers are designed for bidirectional data communication on multipoint bus transmission lines. They are designed for balanced transmission lines and meet ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.11 and X.27.

The SN65176B and SN75176B devices combine a 3-state differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be connected together externally to function as a direction control. The driver differential outputs and the receiver differential inputs are connected internally to form differential input/output (I/O) bus ports that are designed to offer minimum loading to the bus when the driver is disabled or VCC = 0. These ports feature wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications.

The driver is designed for up to 60 mA of sink or source current. The driver features positive and negative current limiting and thermal shutdown for protection from line-fault conditions. Thermal shutdown is designed to occur at a junction temperature of approximately 150°C. The receiver features a minimum input impedance of 12 kΩ, an input sensitivity of ±200 mV, and a typical input hysteresis of 50 mV.

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Technical documentation

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Type Title Date
* Datasheet SNx5176B Differential Bus Transceivers datasheet (Rev. F) Jan. 27, 2015
Technical articles The secret to extending RS-485 communication performance Jul. 24, 2015
Selection guides Standard Interface Guide Nov. 21, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Design tools & simulation

SIMULATION MODELS Download
SLLM023A.ZIP (15 KB) - IBIS Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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CAD/CAE symbols

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PDIP (P) 8 View options
SO (PS) 8 View options
SOIC (D) 8 View options

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Videos

RS-485 Overview

This training video provides an overview of the RS-485 standard the basics, the benefits and the reasons to choose RS-485 over other standards.

Posted: 03-Jan-2017
Duration: 19:28

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