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SN75176A Dataheets PDF



Part Number SN75176A
Manufacturers Texas Instruments
Logo Texas Instruments
Description Differential Bus Transceiver
Datasheet SN75176A DatasheetSN75176A Datasheet (PDF)

SN75176A SLLS100C – JUNE 1984 – REVISED OCTOBER 2022 SN75176A Differential Bus Transceiver 1 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-Shutd.

  SN75176A   SN75176A


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SN75176A SLLS100C – JUNE 1984 – REVISED OCTOBER 2022 SN75176A Differential Bus Transceiver 1 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 NegativeCurrent 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 2 Applications • Low Speed RS485 communication (5 Mbps or less) • For 10 Mbps, use SN75176B 3 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 activelow 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 commonmode 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. Device Information(1) PART NUMBER PACKAGE (PIN) BODY SIZE (NOM) SN75176A SOIC (8) PDIP (8) 4.90 mm × 3.91 mm 9.81 mm × 6.35 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematics An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. SN75176A SLLS100C – JUNE 1984 – REVISED OCTOBER 2022 www.ti.com Table of Contents 1 Features............................................................................1 2 Applications..................................................................... 1 3 Description.......................................................................1 4 Revision History.............................................................. 2 5 Pin Configuration and Functions...................................3 6 Specifications.................................................................. 4 6.1 Absolute Maximum Ratings........................................ 4 6.2 Recommended Operating Conditions.........................4 6.3 Thermal Information....................................................4 6.4 Dissipation Rating Table............................................. 4 6.5 Electrical Characteristics – Driver............................... 5 6.6 Electrical Characteristics – Receiver.......................... 5 6.7 Switching Characteristics – Driver.............................. 6 6.8 Switching Characteristics – Receiver..........................6 6.9 Typical Characteristics................................................ 7 7 Parameter Measurement Information............................ 9 8 Detailed Description......................................................12 8.1 Overview................................................................... 12 8.2 Functional Block Diagrams....................................... 12 8.3 Feature Description...................................................12 8.4 Device Functional Modes..........................................13 9 Application and Implementation.................................. 14 9.1 Application Information............................................. 14 9.2 Typical Application.................................................... 14 9.3 Power Supply Recommendations.............................15 9.4 Layout.................


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