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SP485R PDF预览

SP485R

更新时间: 2024-02-24 00:01:07
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
9页 583K
描述
1/10th Unit Load RS-485 Transceiver

SP485R 数据手册

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SP485R  
1/10th Unit Load RS-485 Transceiver  
FEATURES  
• Allows Over 400 Transceivers On A  
Transmission Line (ꢀ/ꢀ0th Unit Load)  
• High Impedance on Receiver Inputs  
(RIN = 150kΩ typical)  
• Half-Duplex Configuration Consistent  
With Industry Standard Pinout  
• -7V to +ꢀ2V Common Mode Input  
Voltage Range  
• Low Power Consumption (250mW)  
• Separate Driver and Receiver Enable  
DESCRIPTION  
The SP485R is a pin-to-pin equivalent to our existing SP485 product and offers a high  
receiver input impedance. The higher receiver input impedance allows for connecting over  
400 transceivers on a single transmission line without degrading the RS-485 driver signal.  
The device is packaged in a 8-pin plastic DIP or 8-pin narrow SOIC.  
Figure 1. Typical Application Circuit  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 5ꢀ0-668-70ꢀ7 • www.exar.com  
SP485R_ꢀ00_072309  

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