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SN75176BP Datasheet Preview

SN75176BP Datasheet

Differential Bus Transceivers

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SN65176B, SN75176B
SLLS101G – JULY 1985 – REVISED JULY 2021
SNx5176B Differential Bus Transceivers
1 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 Maximum driver output capability
• Thermal shutdown protection
• Driver positive and negative current limiting
• 12-kΩ Minimum Receiver Input Impedance
• ± 200-mV Receiver input sensitivity
• 50-mV Typical receiver input hysteresis
• Operate from single 5-V supply
2 Applications
Chemical and gas sensors
• Digital signage
• HMI (human machine interfaces)
Motor controls: AC induction, brushed and brush-
less dc, low- and high-voltage, stepper motors,
and permanent magnets
• TETRA Base stations
• Telecom towers: remote electrical tilt units (ret) and
tower mounted amplifiers (TMA)
• Weigh scales
• Wireless repeaters
3
DE
4
D
2
RE
1
R
3 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.
Device Information
PART NUMBER PACKAGE (PIN)(1) BODY SIZE (NOM)
SOIC (8)
4.90 mm × 3.91 mm
SNx5176
PDIP (8)
9.81 mm × 6.35 mm
SOP (8)
6.20 mm × 5.30 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
6
A
7
Bus
B
Simplified Schematic
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.




etcTI

SN75176BP Datasheet Preview

SN75176BP Datasheet

Differential Bus Transceivers

No Preview Available !

SN65176B, SN75176B
SLLS101G – JULY 1985 – REVISED JULY 2021
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 Electrical Characteristics – Driver............................... 5
6.5 Electrical Characteristics – Receiver.......................... 6
6.6 Switching Characteristics – Driver.............................. 6
6.7 Switching Characteristics – Receiver..........................6
6.8 Typical Characteristics................................................ 7
Parameter Measurement Information............................... 9
7 Detailed Description......................................................12
7.1 Overview................................................................... 12
7.2 Functional Block Diagram......................................... 12
7.3 Feature Description...................................................12
7.4 Device Functional Modes..........................................13
8 Application and Implementation.................................. 14
8.1 Application Information............................................. 14
8.2 Typical Application.................................................... 14
8.3 System Examples..................................................... 15
9 Power Supply Recommendations................................16
10 Layout...........................................................................16
10.1 Layout Guidelines................................................... 16
10.2 Layout Example...................................................... 16
11 Device and Documentation Support..........................17
11.1 Related Links.......................................................... 17
11.2 Trademarks............................................................. 17
11.3 Electrostatic Discharge Caution.............................. 17
11.4 Glossary.................................................................. 17
12 Mechanical, Packaging, and Orderable
Information.................................................................... 17
4 Revision History
Changes from Revision F (January 2015) to Revision G (July 2021)
Page
• Changed the Thermal Information table............................................................................................................. 4
• Changed the VO Output voltage MAX value from: 6 V to: VCC in the Electrical Characteristics – Driver .......... 5
• Changed the VODI Differential output voltage MAX value from: 6 V to: VCC in the Electrical Characteristics –
Driver ................................................................................................................................................................. 5
Changes from Revision E (January 2014) to Revision F (January 2015)
Page
• Added Applications, Device Information table, Pin Functions table, ESD Ratings table, Thermal Information
table, Feature Description section, Device Functional Modes, Application and Implementation section, Power
Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section.............................................................................. 1
• Moved Typical Characteristics inside of the Specifications section.................................................................... 7
Changes from Revision D (April 2003) to Revision E (January 2014)
Page
• Updated document to new TI data sheet format - no specification changes...................................................... 1
• Deleted Ordering Information table.....................................................................................................................1
2
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Product Folder Links: SN65176B SN75176B
Copyright © 2021 Texas Instruments Incorporated


Part Number SN75176BP
Description Differential Bus Transceivers
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