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參數(shù)資料
| 型號： | SN65HVD2 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | RS-485 |
| 英文描述： | EXTENDED COMMON-MODE RS-485 TRANSCEIVERS |
| 中文描述： | 擴(kuò)展共模RS - 485收發(fā) |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 527K |
| 代理商： | SN65HVD2 |
SLLS552D DECEMBER 2002 REVISED APRIL 2005
FEATURES
Common-Mode Voltage Range (20 V to 25 V)
More Than Doubles TIA/EIA-485 Requirement
Receiver Equalization Extends Cable Length,
Signaling Rate (HVD23, HVD24)
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
Low Standby Supply Current 1-
μ
A Max
More Than 100 mV Receiver Hysteresis
APPLICATIONS
Long Cable Solutions
Factory Automation
Security Networks
Building HVAC
Severe Electrical Environments
Electrical Power Inverters
Industrial Drives
Avionics
DESCRIPTION
The transceivers in the HVD2x family offer performance
far exceeding typical RS485 devices. In addition to
meeting all requirements of the TIA/EIA485A 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.
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.
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.
20 V
+25 V
7 V
+12 V
SUPER485
RS485
20 V
15 V
10 V
5 V
0
5 V
10 V
15 V
20 V
25 V
HVD2x Devices Operate Over a Wider Common-Mode Voltage Range
0.1
1
10
100
10
100
1000
HVD20
HVD23
HVD24
HVD21
HVD22
Cable Length m
S
HVD2x APPLICATION SPACE
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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.
www.ti.com
Copyright
2002 2003, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN65HVD20 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:EXTENDED COMMON-MODE RS-485 TRANSCEIVERS |
| SN65HVD20_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:EXTENDED COMMON-MODE RS-485 TRANSCEIVERS |
| SN65HVD20_101 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Extended Common-Mode RS-485 Transceivers |
| SN65HVD20D | 功能描述:RS-485接口IC RS485 Ext Com-Md RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SN65HVD20D | 制造商:Texas Instruments 功能描述:TRANSCEIVER RS-485 65HVD20 SOIC8 |
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