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SN65HVD22 Datasheet(PDF) 1 Page - Texas Instruments

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Part # SN65HVD22
Description  Extended Common-Mode RS-485 Transceivers
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN65HVD22 Datasheet(HTML) 1 Page - Texas Instruments

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background image
-20 V
+25 V
-7V
+12 V
SUPER485
RS485
-20V
-15V
-10V
-5V
0
5V
10V
15V
20V
25V
0.1
1
10
100
HVD20
HVD23
HVD24
HVD21
HVD22
10
100
1000
CableLength-m
SN65HVD20, SN65HVD21
SN65HVD22, SN65HVD23, SN65HVD24
www.ti.com
SLLS552E – DECEMBER 2002 – REVISED MAY 2010
Extended Common-Mode RS-485 Transceivers
Check for Samples: SN65HVD20, SN65HVD21, SN65HVD22, SN65HVD23, SN65HVD24
1
FEATURES
DESCRIPTION
Common-Mode Voltage Range (–20 V to 25 V)
More Than Doubles TIA/EIA-485 Requirement
The
transceivers
in
the
HVD2x
family
offer
performance far exceeding typical RS
−485 devices.
Receiver Equalization Extends Cable Length,
In addition to meeting all requirements of the
Signaling Rate (HVD23, HVD24)
TIA/EIA
−485−A standard, the HVD2x family operates
Reduced Unit-Load for up to 256 Nodes
over an extended range of common-mode voltage,
Bus I/O Protection to Over 16-kV HBM
and has features such as high ESD protection, wide
receiver hysteresis, and failsafe operation. This family
Failsafe Receiver for Open-Circuit,
of devices is ideally suited for long-cable networks,
Short-Circuit and Idle-Bus Conditions
and other applications where the environment is too
Low Standby Supply Current 1-µA Max
harsh for ordinary transceivers.
More Than 100 mV Receiver Hysteresis
These devices are designed for bidirectional data
transmission
on
multipoint
twisted-pair
cables.
APPLICATIONS
Example applications are digital motor controllers,
Long Cable Solutions
remote sensors and terminals, industrial process
Factory Automation
control, security stations, and environmental control
systems.
Security Networks
Building HVAC
These devices combine a 3-state differential driver
Severe Electrical Environments
and a differential receiver, which operate from a
single 5-V power supply. The driver differential
Electrical Power Inverters
outputs and the receiver differential inputs are
Industrial Drives
connected internally to form a differential bus port
Avionics
that offers minimum loading to the bus. This port
features an extended common-mode voltage range
making the device suitable for multipoint applications
over long cable runs.
HVD2x APPLICATION SPACE
HVD2x Devices Operate Over a Wider
Common-Mode Voltage Range
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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