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INA285 参数 Datasheet PDF下载

INA285图片预览
型号: INA285
PDF下载: 下载PDF文件 查看货源
内容描述: 高精度宽共模范围双向电流分流监控器零漂移系列 [High-Accuracy Wide Common-Mode Range Bi-Directional CURRENT SHUNT MONITOR Zero-Drift Series]
分类和应用: 监控监视器
文件页数/大小: 31 页 / 685 K
品牌: TI [ TEXAS INSTRUMENTS ]
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INA282, INA283  
INA284, INA285  
INA286  
www.ti.com  
SBOS485A NOVEMBER 2009REVISED JULY 2010  
Motor  
Supply  
(< 80V)  
+2.7V to  
+18V  
VIN-  
VIN+  
Q1  
D1  
D2  
MOSFET  
Drive  
Circuits  
VREF  
Output  
Q2  
+2.7V to  
+18V  
VIN-  
VIN+  
NOTE: By sensing totem-pole current on both the positive and negative rail and summing, dynamic common-mode issues  
can be avoided entirely. Note that IC2 is connected with inverting inputs because it should report current with an  
opposite polarity to that of IC1.  
Figure 43. Sensing and Summing Totem Pole Current  
Copyright © 2009–2010, Texas Instruments Incorporated  
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Product Folder Link(s): INA282 INA283 INA284 INA285 INA286  
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