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ADM1486AR-REEL

更新时间： 2024-01-12 17:02:40
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
页数 文件大小 规格书
16页 393K
描述
5 V, 0.8 mA PROFIBUS RS-485 Transceiver

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ADM1486AR-REEL 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.14
差分输出：YES驱动器位数：1
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422; EIA-485JESD-30 代码：R-PDSO-G8
JESD-609代码：e0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：封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：240
认证状态：Not Qualified最大接收延迟：20 ns
接收器位数：1座面最大高度：1.75 mm
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：Tin/Lead (Sn85Pb15)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：NOT SPECIFIED最大传输延迟：15 ns
宽度：3.9 mmBase Number Matches：1

ADM1486AR-REEL 数据手册

 浏览型号ADM1486AR-REEL的Datasheet PDF文件第2页浏览型号ADM1486AR-REEL的Datasheet PDF文件第3页浏览型号ADM1486AR-REEL的Datasheet PDF文件第4页浏览型号ADM1486AR-REEL的Datasheet PDF文件第5页浏览型号ADM1486AR-REEL的Datasheet PDF文件第6页浏览型号ADM1486AR-REEL的Datasheet PDF文件第7页 
5 V, 0.8 mA PROFIBUS  
RS-485 Transceiver  
ADM1486  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Meets and exceeds EIA RS-485 and EIA RS-422 standards  
30 Mbps data rate  
ADM1486  
Recommended for PROFIBUS applications  
2.1 V minimum differential output with 54 Ω termination  
Low power 0.8 mA ICC  
Thermal shutdown and short-circuit protection  
0.5 ns skew driver and receiver  
Driver propagation delay: 11 ns  
Receiver propagation delay: 12 ns  
High impedance outputs with drivers disabled or power off  
Superior upgrade for SN65ALS1176  
Available in standard 8-lead SOIC package  
1
2
3
4
8
7
6
5
V
RO  
R
CC  
B
RE  
DE  
DI  
A
D
GND  
Figure 1.  
APPLICATIONS  
Industrial field equipment  
To ensure this, the ADM1486 driver features high output  
impedance when disabled and when powered down. 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.  
GENERAL DESCRIPTION  
The ADM1486 is a differential line transceiver suitable for high  
speed bidirectional data communication on multipoint bus  
transmission lines. It is designed for balanced data transmission,  
complies with EIA Standards RS-485 and RS-422, and is recom-  
mended for PROFIBUS applications. The part contains a  
differential line driver and a differential line receiver. Both the  
driver and the receiver may be enabled independently. When  
disabled or powered down, the driver outputs are high impedance.  
The receiver contains a fail-safe feature that results in a logic  
high output state if the inputs are unconnected (floating).  
The ADM1486 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 ADM1486 operates from a single 5 V power supply.  
Excessive power dissipation caused by bus contention or output  
shorting is prevented by short-circuit protection and thermal  
circuitry. Short-circuit protection circuits limit the maximum  
output current to 2ꢀꢀ mA during fault conditions. A thermal  
shutdown circuit senses if the die temperature rises above  
15ꢀ°C and forces the driver outputs into a high impedance state  
under this condition.  
The ADM1486 features extremely fast and closely matched  
switching, enable, and disable times. Minimal driver propaga-  
tion delays permit transmission at data rates up to 3ꢀ Mbps  
while low skew minimizes EMI interference.  
Up to 5ꢀ transceivers may be connected simultaneously on a  
bus, but only one driver should be enabled at a time. Therefore,  
it is important that the remaining disabled drivers do not load  
the bus.  
The part is fully specified over the commercial and industrial  
temperature range and is available in an 8-lead SOIC package.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. 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  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
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