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ISL81486

更新时间： 2024-11-10 22:51:43
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英特矽尔 - INTERSIL /
页数 文件大小 规格书
11页 550K
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5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers

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ISL81486 数据手册

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ISL4486, ISL81486  
®
Data Sheet  
August 2004  
FN6060.2  
5V, Ultra High Speed, PROFIBUS®,  
RS-485/RS-422 Transceivers  
Features  
• Specified for 10% Tolerance Supplies  
The Intersil ISL4486 and ISL81486 are BiCMOS, 5V  
powered, single transceivers that meet both the RS-485 and  
RS-422 standards for balanced communication, and feature  
the larger output voltage and higher data rate - up to  
40Mbps - required by high speed PROFIBUS applications.  
• High Data Rates  
ISL4486 . . . . . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps  
ISL81486 . . . . . . . . . . . . . . . . . . . . . . . . . up to 30Mbps  
• Large Differential Output Voltage . . . . . . . . . . 3V into 54Ω  
• Low Bit-to-Bit (Part-to-Part) Skew for Parallel Applications  
• 0.6 Unit Load Allows up to 50 Devices on the Bus  
• ISL81486 is a Drop-In Replacement for the ADM1486  
• Low Quiescent Current . . . . . . . . . . . . . . . . . . . . . 800µA  
• -7V to +12V Common Mode Input Voltage Range  
• Three-State Rx and Tx Outputs  
Unlike competitive products, these Intersil devices are  
specified for 10% tolerance supplies (4.5V to 5.5V) and  
deliver at least a 2.3V differential output voltage over this  
supply range. At the 5% tolerance specified by many  
competitors, the ISL4486 delivers an unsurpassed 2.5V  
differential signal into a 54Ω total load. This translates into  
longer reach, or better data integrity, at the exceptional  
40Mbps data rate.  
• 14ns (Max) Propagation Delays, 2ns (Max) Skew  
• Operates from a Single +5V Supply (10% Tolerance)  
SCSI applications benefit from the ISL4486’s low receiver  
and transmitter part-to-part skews, which make it perfect for  
high speed parallel applications where large numbers of bits  
must be simultaneously captured. The low bit-to-bit skew  
eases the timing constraints on the data latching signal.  
• Current Limiting and Thermal Shutdown for driver  
Overload Protection  
• Pb-free available  
These devices present a “0.6 unit load” to the RS-485 bus,  
which allows up to 50 transceivers on the network.  
Applications  
Receiver (Rx) inputs feature a “fail-safe if open” design,  
which ensures a logic high Rx output if Rx inputs are floating.  
• SCSI “Fast 40” Drivers and Receivers  
• PROFIBUS DP and FMS Networks  
• Factory Automation  
Driver (Tx) outputs are short circuit protected, even for  
voltages exceeding the power supply voltage. Additionally,  
on-chip thermal shutdown circuitry disables the Tx outputs to  
prevent damage if power dissipation becomes excessive.  
• Field Bus Networks  
• Security Networks  
• Building Environmental Control Systems  
• Industrial/Process Control Networks  
Ordering Information  
TEMP.  
PKG.  
PART NO. (BRAND) RANGE (°C)  
PACKAGE  
8 Ld SOIC  
8 Ld SOIC  
(Pb-free)  
8 Ld MSOP  
8 Ld MSOP  
(Pb-free)  
8 Ld SOIC  
8 Ld SOIC  
(Pb-free)  
DWG. #  
ISL4486IB (4486IB)  
ISL4486IBZ (4486IB)  
(See Note)  
-40 to 85  
-40 to 85  
M8.15  
M8.15  
Pinout  
ISL4486, ISL81486 (SOIC, MSOP)  
TOP VIEW  
ISL4486IU (4486)  
ISL4486IUZ (4486)  
(See Note)  
-40 to 85  
-40 to 85  
M8.118  
M8.118  
RO  
RE  
DE  
DI  
1
2
3
4
8
7
6
5
V
CC  
R
D
B/Z  
ISL81486IB (81486IB)  
ISL81486IBZ  
(81486IB) (See Note)  
-40 to 85  
-40 to 85  
M8.15  
M8.15  
A/Y  
GND  
ISL81486IU (1486)  
ISL81486IUZ (1486)  
(See Note)  
-40 to 85  
-40 to 85  
8 Ld MSOP  
8 Ld MSOP  
(Pb-free)  
M8.118  
M8.118  
*Add “-T” suffix to part number for tape and reel packaging.  
NOTE: Intersil Pb-free products employ special Pb-free material sets; molding  
compounds/die attach materials and 100% matte tin plate termination finish, which  
is compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free  
products are MSL classified at Pb-free peak reflow temperatures that meet or  
exceed the Pb-free requirements of IPC/JEDEC J Std-020B.  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2004. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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与ISL81486相关器件

型号 品牌 获取价格 描述 数据表
ISL81486IB INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IB-T INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IBZ INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IBZ-T INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IU INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IU-T INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IUZ INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81486IUZ-T INTERSIL

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 		5V, Ultra High Speed, PROFIBUS, RS-485/RS-422 Transceivers
ISL81487 INTERSIL

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 		1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
ISL81487 RENESAS

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 		5V, Half Duplex, 5Mbps, RS-485/RS-422 Transceiver

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