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ISO3086TDW

更新时间： 2024-09-28 12:21:35
品牌 Logo 应用领域
德州仪器 - TI 变压器驱动器
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24页 519K
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Isolated 5V RS-485 Transceiver With Integrated Transformer Driver

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ISO3086TDW 数据手册

 浏览型号ISO3086TDW的Datasheet PDF文件第2页浏览型号ISO3086TDW的Datasheet PDF文件第3页浏览型号ISO3086TDW的Datasheet PDF文件第4页浏览型号ISO3086TDW的Datasheet PDF文件第5页浏览型号ISO3086TDW的Datasheet PDF文件第6页浏览型号ISO3086TDW的Datasheet PDF文件第7页 
ISO3086T  
www.ti.com  
SLLSE27C –JANUARY 2011–REVISED JULY 2011  
Isolated 5V RS-485 Transceiver With Integrated Transformer Driver  
Check for Samples: ISO3086T  
1
FEATURES  
DW PACKAGE  
•
•
3000 VRMS / 4242 VPK Isolation  
Bus-Pin ESD Protection  
VCC2  
GND2  
A
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
D1  
D2  
–
–
11 kV HBM Between Bus-Pins and GND2  
6 kV HBM Between Bus-Pins and GND1  
GND1  
VCC1  
B
Z
R
RE  
DE  
D
•
•
•
•
•
1/8 Unit Load – Up to 256 Nodes on a Bus  
Designed for RS-485 and RS-422 Applications  
Signaling Rates up to 20 Mbps  
Y
NC  
GND2  
Thermal Shutdown Protection  
Typical Efficiency > 60% (ILOAD = 100 mA) - see  
SLUU469  
FUNCTION DIAGRAM  
1
•
•
•
Low Bus Capacitance 7 pF (Typ)  
D1  
OSC  
2
14  
50 kV/µs Typical Transient Immunity  
D2  
A
5
R
UL 1577, IEC 60747-5-2 (VDE 0884, Rev. 2)  
Approvals Pending  
6
13  
RE  
B
7
DE  
•
•
Fail-safe Receiver for Bus Open, Short, Idle  
Logic Inputs are 5-V Tolerant  
12  
11  
Z
Y
8
D
APPLICATIONS  
•
•
•
•
•
Isolated RS-485/RS-422 Interfaces  
Factory Automation  
Motor/Motion Control  
HVAC and Building Automation Networks  
Networked Security Stations  
DESCRIPTION  
The ISO3086T is an isolated differential line transceiver with integrated oscillator outputs that provide the primary  
voltage for an isolation transformer. The device is a full-duplex differential line transceiver for RS-485 and  
RS-422 applications that can easily be configured for half-duplex operation by connecting pin 11 to pin 14, and  
pin 12 to pin 13.  
These devices are ideal for long transmission lines since the ground loop is broken to allow for a much larger  
common-mode voltage range. The symmetrical isolation barrier of the device is tested to provide 3000 VRMS or  
4242 VPK of isolation for 1 minute per VDE between the bus-line transceiver and the logic-level interface.  
Any cabled I/O can be subjected to electrical noise transients from various sources. These noise transients can  
cause damage to the transceiver and/or near-by sensitive circuitry if they are of sufficient magnitude and  
duration. These isolated devices can significantly increase protection and reduce the risk of damage to  
expensive control circuits.  
The ISO3086T is specified for use from –40°C to 85°C.  
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 © 2011, 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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ISO3086TDW 替代型号

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ISO3086TDWR TI

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