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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) 50 Isolated No Rating Catalog Operating temperature range (C) 0 to 70 Approx. price (US$) 0.43 | 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 open-in-new Find other RS-485 & RS-422 transceivers

Features

  • Bidirectional Transceiver
  • Meets or Exceeds the Requirements of ANSI Standards EIA/TIA-422-B and ITU Recommendations V.11
  • 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
  • Driver Output Capability ±60 mA Max
  • Thermal-Shutdown Protection
  • Driver Positive-Current Limiting and Negative-Current Limiting
  • Receiver Input Impedance 12 kΩ Min
  • Receiver Input Sensitivity ±200 mV
  • Receiver Input Hysteresis 50 mV Typ
  • Operates From Single 5-V Supply
  • Lower Power Requirements

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Description

The SN75176A differential bus transceiver is a monolithic integrated circuit designed for bidirectional data communication on multipoint bus-transmission lines. It is designed for balanced transmission lines and meets ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11.

The SN75176A combines 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 externally connected together 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 whenever 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 to handle loads 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.

The SN75176A can be used in transmission-line applications employing the SN75172 and SN75174 quadruple differential line drivers and SN75173 and SN75175 quadruple differential line receivers.

The SN75176A is characterized for operation from 0°C to 70°C.

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Technical documentation

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No results found. Please clear your search and try again. View all 6
Type Title Date
* Datasheet SN75176A Differential Bus Transceiver datasheet (Rev. B) Jan. 27, 2015
Technical articles Small doesn’t mean you compromise performance when implementing signal isolation May 25, 2017
Selection guides Standard Interface Guide Nov. 21, 2014
Technical articles Upgrading the standard: a better way to drive peripherals Jun. 20, 2014
Technical articles How Thunderbolt™ 2 enables 4k video resolution Apr. 03, 2014
Technical articles Going for distance or going for speed on the RS-485 bus? Mar. 05, 2014

Design & development

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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

View TI's RS-485 portfolio

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