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ADM1485ARMZ-REEL PDF预览

ADM1485ARMZ-REEL

更新时间: 2024-01-04 20:13:50
品牌 Logo 应用领域
亚德诺 - ADI 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管信息通信管理PC
页数 文件大小 规格书
11页 356K
描述
5 V Low Power EIA RS-485 Transceiver

ADM1485ARMZ-REEL 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOIC
包装说明:SOIC-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:0.7
Samacsys Confidence:3Samacsys Status:Released
2D Presentation:https://componentsearchengine.com/2D/0T/236838.1.2.pngSchematic Symbol:https://componentsearchengine.com/symbol.php?partID=236838
PCB Footprint:https://componentsearchengine.com/footprint.php?partID=2368383D View:https://componentsearchengine.com/viewer/3D.php?partID=236838
Samacsys PartID:236838Samacsys Image:https://componentsearchengine.com/Images/9/ADM1485JRZ-REEL.jpg
Samacsys Thumbnail Image:https://componentsearchengine.com/Thumbnails/1/ADM1485JRZ-REEL.jpgSamacsys Pin Count:8
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Small Outline Packages
Samacsys Footprint Name:R-8 (SOIC)Samacsys Released Date:2015-11-06 07:15:09
Is Samacsys:N其他特性:THERMAL SHUTDOWN PROTECTION
差分输出:YES驱动器位数:1
高电平输入电流最大值:0.000001 A输入特性:DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型:LINE TRANSCEIVER接口标准:EIA-422; EIA-485
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:
最小输出摆幅:1.5 V输出特性:3-STATE
最大输出低电流:0.004 A输出极性:COMPLEMENTARY
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
最大接收延迟:40 ns接收器位数:1
座面最大高度:1.75 mm子类别:Line Driver or Receivers
最大压摆率:2.2 mA最大供电电压:5.25 V
最小供电电压:4.75 V标称供电电压:5 V
表面贴装:YES技术:BICMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
最大传输延迟:15 ns宽度:3.9 mm
Base Number Matches:1

ADM1485ARMZ-REEL 数据手册

 浏览型号ADM1485ARMZ-REEL的Datasheet PDF文件第2页浏览型号ADM1485ARMZ-REEL的Datasheet PDF文件第3页浏览型号ADM1485ARMZ-REEL的Datasheet PDF文件第4页浏览型号ADM1485ARMZ-REEL的Datasheet PDF文件第5页浏览型号ADM1485ARMZ-REEL的Datasheet PDF文件第6页浏览型号ADM1485ARMZ-REEL的Datasheet PDF文件第7页 
5 V Low Power  
a
EIA RS-485 Transceiver  
ADM1485  
FEATURES  
Meets EIA RS-485 Standard  
30 Mbps Data Rate  
FUNCTIONAL BLOCK DIAGRAM  
8-Lead  
Single 5 V Supply  
–7 V to +12 V Bus Common-Mode Range  
High Speed, Low Power BiCMOS  
Thermal Shutdown Protection  
Short-Circuit Protection  
ADM1485  
V
RO  
R
CC  
Driver Propagation Delay: 10 ns  
Receiver Propagation Delay: 15 ns  
High-Z Outputs with Power Off  
Superior Upgrade for LTC1485  
B
RE  
DE  
DI  
A
APPLICATIONS  
Low Power RS-485 Systems  
DTE-DCE Interface  
D
GND  
Packet Switching  
Local Area Networks  
Data Concentration  
Data Multiplexers  
Integrated Services Digital Network (ISDN)  
GENERAL DESCRIPTION  
This minimizes the loading effect when the transceiver is not being  
used. The high impedance driver output is maintained over the  
entire common-mode voltage range from –7 V to +12 V.  
The ADM1485 is a differential line transceiver suitable for high  
speed bidirectional data communication on multipoint bus trans-  
mission lines. It is designed for balanced data transmission and  
complies with both RS-485 and RS-422 EIA Standards. The part  
contains a differential line driver and a differential line receiver.  
Both the driver and the receiver may be enabled independently.  
When disabled, the outputs are three-stated.  
The receiver contains a fail-safe feature that results in a logic  
high output state if the inputs are unconnected (floating).  
The ADM1485 is fabricated on BiCMOS, an advanced mixed  
technology process combining low power CMOS with fast  
switching bipolar technology. All inputs and outputs contain  
protection against ESD; all driver outputs feature high source  
and sink current capability. An epitaxial layer is used to guard  
against latch-up.  
The ADM1485 operates from a single 5 V power supply. Excessive  
power dissipation caused by bus contention or by output shorting  
is prevented by a thermal shutdown circuit. This feature forces  
the driver output into a high impedance state if, during fault condi-  
tions, a significant temperature increase is detected in the internal  
driver circuitry.  
The ADM1485 features extremely fast switching speeds. Minimal  
driver propagation delays permit transmission at typical data rates  
of 30 Mbps while low skew minimizes EMI interference.  
The part is fully specified over the commercial and industrial  
temperature range and is available in PDIP, SOIC, and small  
MSOP packages.  
Up to 32 transceivers may be connected simultaneously on a bus,  
but only one driver should be enabled at any time. It is important,  
therefore, that the remaining disabled drivers do not load the bus.  
To ensure this, the ADM1485 driver features high output  
impedance when disabled and also when powered down.  
'
REV.  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
www.analog.com  
781/461-3113  
2012  
Fax:  
©
Analog Devices, Inc. All rights reserved.  

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