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ISO15_08

更新时间： 2024-01-21 18:03:25
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
20页 727K
描述
ISOLATED 3.3-V FULL AND HALF-DUPLEX RS-485 TRANSCEIVERS

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中文翻译

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ISO15_08 数据手册

 浏览型号ISO15_08的Datasheet PDF文件第2页浏览型号ISO15_08的Datasheet PDF文件第3页浏览型号ISO15_08的Datasheet PDF文件第4页浏览型号ISO15_08的Datasheet PDF文件第5页浏览型号ISO15_08的Datasheet PDF文件第6页浏览型号ISO15_08的Datasheet PDF文件第7页 
ISO15  
ISO35  
www.ti.com................................................................................................................................................................ SLOS580B–MAY 2008–REVISED JULY 2008  
ISOLATED 3.3-V FULL AND HALF-DUPLEX RS-485 TRANSCEIVERS  
1
FEATURES  
APPLICATIONS  
•
•
•
•
•
•
Security Systems  
Chemical Production  
Factory Automation  
Motor/motion Control  
HVAC and Building Automation Networks  
Networked Security Stations  
•
4000-VPEAK Isolation, 560-Vpeak VIORM  
UL 1577, IEC 60747-5-2 (VDE 0884, Rev 2)  
•
•
1/8 Unit Load – Up to 256 Nodes on a Bus  
Meets or Exceeds TIA/EIA RS-485  
Requirements  
•
•
•
•
•
•
Signaling Rates up to 1 Mbps  
Thermal Shutdown Protection  
Low Bus Capacitance – 16 pF (Typ)  
50 kV/µs Typical Transient Immunity  
Fail-safe Receiver for Bus Open, Short, Idle  
3.3-V Inputs are 5-V Tolerant  
DESCRIPTION  
The ISO15 is an isolated half-duplex differential line transceiver while the ISO35 is an isolated full-duplex  
differential line driver and receiver for TIA/EIA 485/422 applications.  
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 2500 Vrms of  
isolation for 60s 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 ISO15 and ISO35 are qualified for use from –40°C to 85°C.  
DW PACKAGE  
function diagram  
1
2
3
4
5
6
7
8
Vcc2  
GND2  
A
Vcc1  
GND1  
R
16  
15  
14  
13  
12  
11  
10  
9
14  
13  
A
B
3
4
R
RE  
DE  
RE  
B
5
DE  
Z
D
Y
12  
11  
Z
Y
GND2  
GND2  
GND1  
GND1  
6
D
DW PACKAGE  
function diagram  
1
2
3
4
5
6
7
8
Vcc2  
GND2  
nc  
Vcc1  
GND1  
R
16  
15  
14  
13  
12  
11  
10  
9
5
DE  
6
RE  
B
D
13  
12  
DE  
A
B
A
3
4
D
R
nc  
GND2  
GND2  
GND1  
GND1  
RE  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008, Texas Instruments Incorporated  
1234567...20

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