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INA181 Datasheet(PDF) 3 Page - Texas Instruments

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Part # INA181
Description  INAx181 Bidirectional, Low- and High-Side Voltage Output, Current-Sense Amplifier
PDF  34 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

INA181 Datasheet(HTML) 3 Page - Texas Instruments

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1
OUT
6
VS
2
GND
5
REF
3
IN+
4
IN±
Not to scale
3
INA181, INA2181
www.ti.com
SBOS793A – APRIL 2017 – REVISED AUGUST 2017
Product Folder Links: INA181 INA2181
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
5 Device Comparison Table
PRODUCT
CHANNEL
GAIN (V/V)
INA181A1
1
20
INA181A2
1
50
INA181A3
1
100
INA181A4
1
200
INA2181A1
2
20
INA2181A2
2
50
INA2181A3
2
100
INA2181A4
2
200
6 Pin Configurations and Functions
DBV Package
6-Pin SOT-23
Top View
Pin Functions: INA181
PIN
TYPE
DESCRIPTION
NAME
NO.
GND
2
Analog
Ground
IN–
4
Analog input
Current-sense amplifier negative input. For high-side applications, connect to load
side of sense resistor. For low-side applications, connect to ground side of sense
resistor.
IN+
3
Analog input
Current-sense amplifier positive input. For high-side applications, connect to bus-
voltage side of sense resistor. For low-side applications, connect to load side of
sense resistor.
OUT
1
Analog output
Output voltage
REF
5
Analog input
Reference input
VS
6
Analog
Power supply, 2.7 V to 5.5 V



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