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ISL8483EIBZ-T

更新时间: 2024-11-05 04:58:47
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
14页 502K
描述
ESD Protected to 【15kV, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

ISL8483EIBZ-T 数据手册

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ISL8483E, ISL8485E  
®
Data Sheet  
August 22, 2005  
FN6048.7  
ESD Protected to ±15kV, 5V, Low Power,  
High Speed or Slew Rate Limited,  
RS-485/RS-422 Transceivers  
These Intersil RS-485/RS-422 devices are ESD protected,  
BiCMOS 5V powered, single transceivers that meet both the  
RS-485 and RS-422 standards for balanced communication.  
Each driver output/receiver input is protected against ±15kV  
ESD strikes, without latch-up. Unlike competitive devices,  
this Intersil family is specified for 10% tolerance supplies  
(4.5V to 5.5V).  
Features  
• Pb-Free Plus Anneal Available (RoHS Compliant)  
• 125°C Temperature Option  
• RS-485 I/O Pin ESD Protection . . . . . . . . . . . . . ±15kV HBM  
- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM  
• Specified for 10% Tolerance Supplies  
• High Data Rate Version (ISL8485E) . . . . . . up to 5Mbps  
• Slew Rate Limited Version for Error Free Data  
Transmission (ISL8483E) . . . . . . . . . . . . . .up to 250kbps  
The ISL8483E utilizes slew rate limited drivers which reduce  
EMI, and minimize reflections from improperly terminated  
transmission lines, or unterminated stubs in multidrop and  
multipoint applications.  
• Single Unit Load Allows up to 32 Devices on the Bus  
• 1nA Low Current Shutdown Mode (ISL8483E)  
• Low Quiescent Current:  
- 160µA (ISL8483E)  
- 500µA (ISL8485E)  
Data rates up to 5Mbps are achievable by using the  
ISL8485E which features higher slew rates.  
Both devices present a “single unit load” to the RS-485 bus,  
which allows up to 32 transceivers on the network.  
• -7V to +12V Common Mode Input Voltage Range  
• Three State Rx and Tx Outputs  
Receiver (Rx) inputs feature a “fail-safe if open” design,  
which ensures a logic high Rx output, if Rx inputs are  
floating.  
• 30ns Propagation Delays, 5ns Skew (ISL8485E)  
• Operate from a Single +5V Supply (10% Tolerance)  
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.  
• Current Limiting and Thermal Shutdown for driver  
Overload Protection  
Applications  
• Factory Automation  
These half duplex configurations multiplex the Rx inputs and  
Tx outputs to allow transceivers with Rx and Tx disable  
functions in 8 lead packages.  
• Security Networks  
• Building Environmental Control Systems  
• Industrial/Process Control Networks  
• Level Translators (e.g., RS-232 to RS-422)  
• RS-232 “Extension Cords”  
TABLE 1. SUMMARY OF FEATURES  
PART  
HALF/FULL NO. OF DEVICES DATA RATE SLEW-RATE RECEIVER/DRIVER QUIESCENT LOW POWER  
PIN  
NUMBER  
DUPLEX  
Half  
ALLOWED ON BUS  
(Mbps)  
0.25  
5
LIMITED?  
Yes  
ENABLE?  
Yes  
I
(µA)  
SHUTDOWN? COUNT  
CC  
160  
500  
ISL8483E  
ISL8485E  
32  
32  
Yes  
No  
8
8
Half  
No  
Yes  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2003, 2004, 2005. All R ights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  

ISL8483EIBZ-T 替代型号

型号 品牌 替代类型 描述 数据表
ISL8483EIBZ INTERSIL

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