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Burr-Brown - Unidirectional Measurement Current-Shunt Monitor

Numéro de référence INA271
Description Unidirectional Measurement Current-Shunt Monitor
Fabricant Burr-Brown 
Logo Burr-Brown 





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INA271 fiche technique
INA270
INA271
SBOS381 − FEBRUARY 2007
Voltage Output, Unidirectional Measurement
Current-Shunt Monitor
FEATURES
DESCRIPTION
D WIDE COMMON-MODE RANGE: −16V to +80V
D CMRR: 120dB
D ACCURACY:
The INA270 and INA271 family of current-shunt monitors
with voltage output can sense voltage drops across
current shunts at common-mode voltages from −16V to
+80V, independent of the supply voltage. The INA270 and
±2.5mV offset (max)
INA271 pinouts readily enable filtering.
±1% gain error (max)
− 20µV/°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.
D BANDWIDTH: Up to 130kHz
The INA270 and INA271 operate from a single +2.7V to
D TWO TRANSFER FUNCTIONS AVAILABLE:
− 14V/V (INA270)
− 20V/V (INA271)
D QUIESCENT CURRENT: 900µA (max)
+18V supply, drawing a maximum of 900µA 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.
D POWER SUPPLY: +2.7V to +18V
D PROVISION FOR FILTERING
APPLICATIONS
D POWER MANAGEMENT
16V to +80V
Supply
www.DataSheet4U.com
RS
Load
Single−Pole Filter
Capacitor
D AUTOMOTIVE
+2.7V to +18V
D TELECOM EQUIPMENT
D NOTEBOOK COMPUTERS
D BATTERY CHARGERS
IN+
5k
IN
5k
PRE OUT
BUF IN
V+
D CELL PHONES
D WELDING EQUIPMENT
A1
OUT
DEVICE COMPARISON
DEVICE
INA270
INA271
GAIN
14V/V
20V/V
96k
A2
INA270
RL
GND
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.
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 Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2007, Texas Instruments Incorporated
www.ti.com

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