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ISO3080_11 PDF预览

ISO3080_11

更新时间： 2024-02-21 02:22:16
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德州仪器 - TI /
页数 文件大小 规格书
18页 683K
描述
ISOLATED 5-V FULL AND HALF-DUPLEX RS-485 TRANSCEIVERS

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ISO3080_11 数据手册

 浏览型号ISO3080_11的Datasheet PDF文件第2页浏览型号ISO3080_11的Datasheet PDF文件第3页浏览型号ISO3080_11的Datasheet PDF文件第4页浏览型号ISO3080_11的Datasheet PDF文件第5页浏览型号ISO3080_11的Datasheet PDF文件第6页浏览型号ISO3080_11的Datasheet PDF文件第7页 
ISO3080, ISO3086  
ISO3082, ISO3088  
www.ti.com ............................................................................................................................................................... SLOS581A–MAY 2008–REVISED JUNE 2008  
ISOLATED 5-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  
•
Bus-Pin ESD Protection  
–
–
16 kV HBM Between Bus Pins and GND2  
6 kV HBM Between Bus Pins and GND1  
•
•
1/8 Unit Load – Up to 256 Nodes on a Bus  
Meets or Exceeds TIA/EIA RS-485  
Requirements  
ISO3080  
ISO3086  
ISO3082  
ISO3088  
Full-Duplex  
Full-Duplex  
Half-Duplex  
Half-Duplex  
200 kbps  
20 Mbps  
200 kbps  
20 Mbps  
•
•
•
•
•
•
Signaling Rates up to 20 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 ISO3080, and ISO3086 are isolated full-duplex differential line drivers and receivers while the ISO3082, and  
ISO3088 are isolated half-duplex differential line transceivers 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 ISO3080, SO3082, ISO3086 and ISO3088 are qualified for use from –40°C to 85°C.  
ISO3080, ISO3086  
DW PACKAGE  
ISO3082, ISO3088  
DW PACKAGE  
function diagram  
function diagram  
1
2
3
4
5
6
7
8
Vcc2  
GND2  
A
5
6
Vcc1  
GND1  
R
16  
15  
14  
13  
12  
11  
10  
9
1
2
3
4
5
6
7
8
Vcc2  
GND2  
nc  
Vcc1  
GND1  
R
16  
15  
14  
13  
12  
11  
10  
9
14  
13  
DE  
D
A
B
3
4
R
RE  
DE  
RE  
B
RE  
B
5
13  
12  
B
A
3
4
DE  
A
DE  
Z
R
12  
11  
Z
Y
D
D
nc  
Y
6
RE  
D
GND2  
GND2  
GND1  
GND1  
GND2  
GND2  
GND1  
GND1  
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  
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