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ISO1176T PDF预览

ISO1176T

更新时间： 2024-09-17 11:13:15
品牌 Logo 应用领域
德州仪器 - TI 变压器驱动器
页数 文件大小 规格书
24页 493K
描述
Isolated Profibus RS-485 Transceiver with Integrated Transformer Driver

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中文翻译

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ISO1176T 数据手册

 浏览型号ISO1176T的Datasheet PDF文件第2页浏览型号ISO1176T的Datasheet PDF文件第3页浏览型号ISO1176T的Datasheet PDF文件第4页浏览型号ISO1176T的Datasheet PDF文件第5页浏览型号ISO1176T的Datasheet PDF文件第6页浏览型号ISO1176T的Datasheet PDF文件第7页 
ISO1176T  
www.ti.com  
SLLSE28C –OCTOBER 2010–REVISED FEBRUARY 2011  
Isolated Profibus RS-485 Transceiver with Integrated Transformer Driver  
Check for Samples: ISO1176T  
1
FEATURES  
•
Fail-safe Receiver for Bus Open, Short, or Idle  
2
•
4000Vpeak Isolation, 560Vpeak VIORM  
APPLICATIONS  
•
Meets or Exceeds the Requirements of EN  
50170 and TIA/EIA RS-485  
•
•
•
•
•
•
Profibus®  
Factory Automation  
Networked Sensors  
Motor/motion Control  
HVAC and Building Automation Networks  
Networked Security Stations  
•
•
•
•
•
Signaling Rates up to 40 Mbps  
Differential Output exceeds 2.1V (54Ω Load)  
Low Bus Capacitance 10pF (MAX)  
50kV/µs Typical Transient Immunity  
UL 1577, IEC 60747-5-2 (VDE 0884, Rev. 2)  
Approvals Pending  
DESCRIPTION  
The ISO1176T is an isolated differential line transceiver with integrated oscillator outputs that provide the primary  
voltage for an isolation transformer. The device is ideal for long transmission lines because the ground loop is  
broken to allow the device to operate with a much larger common-mode voltage range. The symmetrical isolation  
barrier of each device is tested to provide 2500Vrms of isolation between the line transceiver and the logic-level  
interface.  
The galvanically isolated differential bus transceiver is an integrated circuit designed for bi-directional data  
communication on multipoint bus-transmission lines. The transceiver combines a galvanically isolated differential  
line driver and differential input line receiver. The driver has an active-high enable with isolated enable-state  
output on the ISODE pin (pin 10) to facilitate direction control. The driver differential outputs and the receiver  
differential inputs connect internally to form a differential input/output (I/O) bus port that is designed to offer  
minimum loading to the bus whenever the driver is disabled or VCC2 = 0.  
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. The ISO1176T can significantly reduce the risk of data corruption and damage to expensive control  
circuits.  
The device is characterized for operation over the ambient temperature range of –40°C to 85°C.  
DW PACKAGE  
1
2
D1  
D2  
OSC  
VCC2  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
D1  
D2  
13  
12  
GND2  
GND2  
B
A
5
6
R
GND1  
VCC1  
RE  
B
8
A
D
R
RE  
DE  
D
GND2  
10  
7
ISODE  
GND2  
ISODE  
DE  
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.  
Profibus is a registered trademark of Profibus International.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
© 2010–2011, Texas Instruments Incorporated  
1234567...24

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ISO1176T 替代型号

型号 品牌 替代类型 描述 数据表
ISO35 TI

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ISO1176 TI

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 ISOLATED RS-485 PROFIBUS TRANSCEIVER

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