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SN65HVD24 PDF预览

SN65HVD24

更新时间: 2024-11-08 22:42:55
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德州仪器 - TI /
页数 文件大小 规格书
25页 525K
描述
EXTENDED COMMON-MODE RS-485 TRANSCEIVERS

SN65HVD24 数据手册

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ꢀꢁ ꢂꢃ ꢄꢅ ꢆꢇ ꢈ ꢉ ꢀꢁꢂ ꢃꢄ ꢅꢆ ꢇꢊ  
ꢀꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢇ ꢉ ꢀꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢋ ꢉ ꢀꢁꢂ ꢃꢄ ꢅꢆ ꢇꢌ  
www.ti.com  
SLLS552D − DECEMBER 2002 − REVISED APRIL 2005  
FEATURES  
DESCRIPTION  
D
D
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. In addition to  
meeting all requirements of the TIA/EIA−485−A standard,  
the HVD2x family operates over an extended range of  
common-mode voltage, and has features such as high  
ESD protection, wide receiver hysteresis, and failsafe  
operation. This family of devices is ideally suited for  
long-cable networks, and other applications where the  
environment is too harsh for ordinary transceivers.  
Receiver Equalization Extends Cable Length,  
Signaling Rate (HVD23, HVD24)  
D
D
D
Reduced Unit-Load for up to 256 Nodes  
Bus I/O Protection to Over 16-kV HBM  
Failsafe Receiver for Open-Circuit,  
Short-Circuit and Idle-Bus Conditions  
D
Low Standby Supply Current 1-µA Max  
These devices are designed for bidirectional data  
transmission on multipoint twisted-pair cables. Example  
applications are digital motor controllers, remote sensors  
and terminals, industrial process control, security stations,  
and environmental control systems.  
D
More Than 100 mV Receiver Hysteresis  
APPLICATIONS  
D
Long Cable Solutions  
Factory Automation  
Security Networks  
Building HVAC  
These devices combine a 3-state differential driver and a  
differential receiver, which operate from a single 5-V power  
supply. The driver differential outputs and the receiver  
differential inputs are connected internally to form a  
differential bus port 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.  
D
Severe Electrical Environments  
Electrical Power Inverters  
Industrial Drives  
Avionics  
HVD2x APPLICATION SPACE  
HVD2x Devices Operate Over a Wider Common-Mode Voltage Range  
100  
−20 V  
+25 V  
HVD23  
HVD20  
SUPER−485  
RS−485  
10  
HVD24  
HVD21  
1
−7 V  
−20 V −15 V −10 V −5 V  
+12 V  
15 V  
HVD22  
0
5 V  
10 V  
20 V  
25 V  
0.1  
10  
100  
Cable Length − m  
1000  
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.  
ꢘꢔ ꢑ ꢆꢙ ꢐ ꢏꢗ ꢑꢁ ꢆ ꢖꢏꢖ ꢚꢛ ꢜꢝ ꢞ ꢟꢠ ꢡꢚꢝꢛ ꢚꢢ ꢣꢤ ꢞ ꢞ ꢥꢛꢡ ꢠꢢ ꢝꢜ ꢦꢤꢧ ꢨꢚꢣ ꢠꢡꢚ ꢝꢛ ꢩꢠ ꢡꢥꢪ ꢘꢞ ꢝꢩꢤ ꢣꢡꢢ  
ꢣ ꢝꢛ ꢜꢝꢞ ꢟ ꢡꢝ ꢢ ꢦꢥ ꢣ ꢚ ꢜꢚ ꢣ ꢠ ꢡꢚ ꢝꢛꢢ ꢦ ꢥꢞ ꢡꢫꢥ ꢡꢥ ꢞ ꢟꢢ ꢝꢜ ꢏꢥꢬ ꢠꢢ ꢗꢛꢢ ꢡꢞ ꢤꢟ ꢥꢛꢡ ꢢ ꢢꢡ ꢠꢛꢩ ꢠꢞ ꢩ ꢭ ꢠꢞ ꢞ ꢠ ꢛꢡꢮꢪ  
ꢘꢞ ꢝ ꢩꢤꢣ ꢡ ꢚꢝ ꢛ ꢦꢞ ꢝ ꢣ ꢥ ꢢ ꢢ ꢚꢛ ꢯ ꢩꢝ ꢥ ꢢ ꢛꢝꢡ ꢛꢥ ꢣꢥ ꢢꢢ ꢠꢞ ꢚꢨ ꢮ ꢚꢛꢣ ꢨꢤꢩ ꢥ ꢡꢥ ꢢꢡꢚ ꢛꢯ ꢝꢜ ꢠꢨ ꢨ ꢦꢠ ꢞ ꢠꢟ ꢥꢡꢥ ꢞ ꢢꢪ  
Copyright 2002 − 2003, Texas Instruments Incorporated  

SN65HVD24 替代型号

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