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INA270_14

更新时间： 2024-11-22 02:58:47
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德州仪器 - TI /
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20页 681K
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Unidirectional Measurement Current-Shunt Monitor

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INA270_14 数据手册

 浏览型号INA270_14的Datasheet PDF文件第2页浏览型号INA270_14的Datasheet PDF文件第3页浏览型号INA270_14的Datasheet PDF文件第4页浏览型号INA270_14的Datasheet PDF文件第5页浏览型号INA270_14的Datasheet PDF文件第6页浏览型号INA270_14的Datasheet PDF文件第7页 
INA270  
INA271  
www.ti.com  
SBOS381C –FEBRUARY 2007–REVISED MAY 2010  
Voltage Output, Unidirectional Measurement  
Current-Shunt Monitor  
Check for Samples: INA270, INA271  
1
FEATURES  
DESCRIPTION  
2
•
•
•
WIDE COMMON-MODE RANGE: –16V to +80V  
The INA270 and INA271 family of current-shunt  
monitors with voltage output can sense drops across  
current shunts at common-mode voltages from –16V  
to +80V, independent of the supply voltage. The  
INA270 and INA271 pinouts readily enable filtering.  
CMRR: 120dB  
ACCURACY:  
±2.5mV Offset (max)  
±1% Gain Error (max)  
20mV/°C Offset Drift (max)  
55ppm/°C Gain Drift (max)  
The INA270 and INA271 are available with two output  
voltage scales: 14V/V and 20V/V. The 130kHz  
bandwidth simplifies use in current-control loops.  
•
•
BANDWIDTH: Up to 130kHz  
The INA270 and INA271 operate from a single +2.7V  
to +18V supply, drawing a maximum of 900mA of  
supply current. They are specified over the extended  
operating temperature range of –40°C to +125°C and  
are offered in an SO-8 package.  
TWO TRANSFER FUNCTIONS AVAILABLE:  
14V/V (INA270)  
20V/V (INA271)  
•
•
•
QUIESCENT CURRENT: 900mA (max)  
POWER SUPPLY: +2.7V to +18V  
PROVISION FOR FILTERING  
RS  
-16V to +80V  
Supply  
Load  
Single-Pole Filter  
Capacitor  
APPLICATIONS  
•
•
•
•
•
•
•
POWER MANAGEMENT  
AUTOMOTIVE  
TELECOM EQUIPMENT  
NOTEBOOK COMPUTERS  
BATTERY CHARGERS  
CELL PHONES  
+2.7V to +18V  
PRE OUT  
BUF IN  
IN+  
IN-  
V+  
5kW  
5kW  
OUT  
A1  
WELDING EQUIPMENT  
96kW  
A2  
RL  
INA270  
GND  
DEVICE COMPARISON  
DEVICE  
INA270  
INA271  
GAIN  
14V/V  
20V/V  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007–2010, Texas Instruments Incorporated  
1234567...20

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