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SN65HVD1470 Datasheet Preview

SN65HVD1470 Datasheet

RS-485 Transceiver

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SN65HVD1470, SN65HVD1471, SN65HVD1473
SN65HVD1474, SN65HVD1476, SN65HVD1477
SLLSEJ8E – JUNE 2014 – REVISED APRIL 2019
SN65HVD147x 3.3-V Full-Duplex RS-485 Transceivers with ±16-kV IEC ESD
1 Features
1 1/8 Unit-Load Options Available
– Up to 256 Nodes on the Bus
• Bus I/O Protection
– > ±30 kV HBM protection
– > ±16 kV IEC61000-4-2 Contact Discharge
– > ±4 kV IEC61000-4-4 Fast Transient Burst
• Extended Industrial Temperature Range:
–40°C to 125°C
• Large Receiver Hysteresis (70 mV) for Noise
Rejection
• Low Power Consumption
– < 1.1 mA Quiescent Current During Operation
– Low Standby Supply Current: 10 nA Typical,
< 5 µA (maximum)
• Glitch-Free Power-Up and Power-Down Protection
for Hot-Plugging Applications
• 5-V Tolerant Logic Inputs Compatible With 3.3-V
or 5-V Controllers
• Signaling Rate Options Optimized for:
400 kbps (1470, 1471), 20 Mbps (1473, 1474), 50
Mbps (1476, 1477)
2 Applications
• Industrial Automation
• Encoders and Decoders
• Building Automation
• Security and Surveillance Networks
• Telecommunications
3 Description
The SN65HVD147x family of full-duplex transceivers
feature the highest ESD protection in the RS-485
portfolio, supporting ±16-kV IEC61000-4-2 contact
discharge and > ±30-kV HBM ESD protection. These
RS-485 transceivers have robust 3.3-V drivers and
receivers and are offered in a standard SOIC
package as well as in a small-footprint MSOP
package. The large receiver hysteresis of the
SN65HVD147x devices provides immunity to
conducted differential noise and the wide operating
temperature enables reliability in harsh operating
environments.
These devices each combine a differential driver and
a differential receiver, which operate from a single
3.3-V power supply. Each driver and receiver has
separate input and output pins for full-duplex bus
communication designs. These devices all feature a
wide common-mode voltage range which makes the
devices suitable for multi-point applications over long
cable runs.
The SN65HVD1471, SN65HVD1474, and
SN65HVD1477 devices are fully enabled with no
external enabling pins.
The SN65HVD1470, SN65HVD1473, and
SN65HVD1476 devices have active-high driver
enables and active-low receiver enables. A low, less
than 5-µA standby current can be achieved by
disabling both the driver and receiver.
These devices are characterized from –40°C to
125°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN65HVD1471
SN65HVD1474
SN65HVD1477
MSOP (8)
SOIC (8)
3.00 mm × 3.00 mm
4.90 mm × 3.91 mm
SN65HVD1470
SN65HVD1473
SN65HVD1476
MSOP (10)
SOIC (14)
3.00 mm × 3.00 mm
8.65 mm × 3.91 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Block Diagram
VCC
VCC
A
R
R
R
B
RE
DE
Z
DD
D
Y
A
R
B
VCC
Z
D
Y
GND
SN65HVD1470,
SN65HVD1473, and
SN65HVD1476
GND
SN65HVD1471,
SN65HVD1474, and
SN65HVD1477
1
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

SN65HVD1470 Datasheet Preview

SN65HVD1470 Datasheet

RS-485 Transceiver

No Preview Available !

SN65HVD1470, SN65HVD1471, SN65HVD1473
SN65HVD1474, SN65HVD1476, SN65HVD1477
SLLSEJ8E – JUNE 2014 – REVISED APRIL 2019
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 6
7.1 Absolute Maximum Ratings ...................................... 6
7.2 ESD Ratings.............................................................. 6
7.3 Recommended Operating Conditions....................... 7
7.4 Thermal Information — D Packages......................... 7
7.5 Thermal Information — DGS and DGK Packages.... 7
7.6 Power Dissipation ..................................................... 8
7.7 Electrical Characteristics........................................... 8
7.8 Switching Characteristics — 400 kbps...................... 9
7.9 Switching Characteristics — 20 Mbps .................... 10
7.10 Switching Characteristics — 50 Mbps .................. 10
7.11 Typical Characteristics .......................................... 11
8 Parameter Measurement Information ................ 13
9 Detailed Description ............................................ 17
9.1 Overview ................................................................. 17
9.2 Functional Block Diagram ....................................... 17
9.3 Feature Description................................................. 17
9.4 Device Functional Modes........................................ 17
10 Application and Implementation........................ 20
10.1 Application Information.......................................... 20
10.2 Typical Application ................................................ 20
11 Power Supply Recommendations ..................... 26
12 Layout................................................................... 26
12.1 Layout Guidelines ................................................. 26
12.2 Layout Example .................................................... 27
13 Device and Documentation Support ................. 28
13.1 Device Support...................................................... 28
13.2 Related Links ........................................................ 28
13.3 Receiving Notification of Documentation Updates 28
13.4 Community Resources.......................................... 28
13.5 Trademarks ........................................................... 28
13.6 Electrostatic Discharge Caution ............................ 28
13.7 Glossary ................................................................ 28
14 Mechanical, Packaging, and Orderable
Information ........................................................... 29
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision D (October 2014) to Revision E
Page
• Changed the Pin Configuration images.................................................................................................................................. 3
• Changed the Supply Voltage MAX value From: 5.5 V To 5 V in the Absolute Maximum Ratings ........................................ 6
• Moved Storage Temperature From the ESD table to the Absolute Maximum Ratings.......................................................... 6
• Changed the Handling Ratings table to ESD Ratings............................................................................................................ 6
• Added Note: to Supply voltage in the Recommended Operating Conditions......................................................................... 7
Changes from Revision C (August 2014) to Revision D
Page
• Updated the MSOP–10 logic diagram ................................................................................................................................... 4
Changes from Revision B (July 2014) to Revision C
Page
• Updated the Device Comparison Table.................................................................................................................................. 3
Changes from Revision A (June 2014) to Revision B
Page
• Updated SN65HVD1470 and SN65HVD1471 specifications to production values ............................................................... 3
Changes from Original (May 2014) to Revision A
Page
• Changed device status from Product Preview to Production Data (mixed status) ................................................................ 1
2
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Copyright © 2014–2019, Texas Instruments Incorporated
Product Folder Links: SN65HVD1470 SN65HVD1471 SN65HVD1473 SN65HVD1474 SN65HVD1476 SN65HVD1477


Part Number SN65HVD1470
Description RS-485 Transceiver
Maker etcTI
Total Page 3 Pages
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