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ADM4850 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADM4850
Description  5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM4850 Datasheet(HTML) 2 Page - Analog Devices

 
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ADM4850/ADM4851/ADM4852/ADM4853/ADM4854/ADM4855/ADM4856/ADM4857
Rev. D | Page 2 of 16
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagrams............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
ADM4850/ADM4854 Timing Specifications........................... 4
ADM4851/ADM4855 Timing Specifications........................... 4
ADM4852/ADM4856 Timing Specifications........................... 5
ADM4853/ADM4857 Timing Specifications........................... 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 9
Test Circuits..................................................................................... 11
Switching Characteristics .............................................................. 12
Circuit Description......................................................................... 13
Slew-Rate Control ...................................................................... 13
Receiver Input Filtering............................................................. 13
Half-/Full-Duplex Operation ................................................... 13
High Receiver Input Impedance .............................................. 14
Three-State Bus Connection..................................................... 14
Shutdown Mode ......................................................................... 14
Fail-Safe Operation .................................................................... 14
Current Limit and Thermal Shutdown ................................... 14
Outline Dimensions ....................................................................... 15
Ordering Guide .......................................................................... 16
Automotive Product................................................................... 16
REVISION HISTORY
1/12—Rev. C to Rev. D
Change to Features Section ............................................................. 1
Changes to Ordering Guide .......................................................... 15
Added Automotive Products Section .......................................... 15
1/11—Rev. B to Rev. C
Change to Table 8, Pin 3 Description ............................................ 7
Changes to Figure 29...................................................................... 12
Changes to Ordering Guide .......................................................... 15
7/09—Rev. A to Rev. B
Added MSOP Package .................................................. Throughout
Changes to Table 2............................................................................ 3
Changes to Table 7............................................................................ 6
Added Figure 4; Renumbered Figures Sequentially..................... 7
Moved Typical Performance Characteristics Section .................. 8
Changes to Figure 24, Figure 27 ................................................... 11
Changes to Figure 29...................................................................... 12
Change to Shutdown Mode Section............................................. 13
Updated Outline Dimensions ....................................................... 14
Changes to Ordering Guide .......................................................... 15
4/09—Rev. 0 to Rev. A
Changes to Ordering Guide .......................................................... 15
10/04—Revision 0: Initial Version


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