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INA190 Datenblatt(PDF) 3 Page - Texas Instruments

Teilenummer INA190
Bauteilbeschribung  INA190 Bidirectional, Low-Power, Zero-Drift, Wide Dynamic Range, Precision Current-Sense Amplifier With Enable
PDF  48 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

INA190 Datenblatt(HTML) 3 Page - Texas Instruments

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1
NC
2
NC
6
VS
7
ENABLE
Not to scale
1
VS
8
IN±
2
ENABLE
7
IN+
3
REF
6
NC
4
GND
5
OUT
Not to scale
1
REF
6
OUT
2
GND
5
IN±
3
VS
4
IN+
Not to scale
3
INA190
www.ti.com
SBOS863D – MARCH 2018 – REVISED NOVEMBER 2019
Product Folder Links: INA190
Submit Documentation Feedback
Copyright © 2018–2019, Texas Instruments Incorporated
5 Pin Configuration and Functions
DCK Package
6-Pin SC70
Top View
DDF Package
8-Pin Thin SOT-23
Top View
RSW Package
10-Pin Thin UQFN
Top View
Pin Functions
PIN
TYPE
DESCRIPTION
NAME
DCK
DDF
RSW
ENABLE
—
2
7
Digital
input
Enable pin. When this pin is driven to VS, the device is on and functions as a
current sense amplifier. When this pin is driven to GND, the device is off, the
supply current is reduced, and the output is placed in a high-impedance state.
This pin must be driven externally, or connected to VS if not used. DDF and RSW
packages only.
GND
2
4
9
Analog
Ground
IN–
5
8
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+
4
7
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.
NC
—
6
1, 2, 5
—
Not internally connected. Either float these pins or connect to any voltage
between GND and VS.
OUT
6
5
10
Analog
output
OUT pin. This pin provides an analog voltage output that is the gained up voltage
difference from the IN+ to the IN– pins, and is offset by the voltage applied to the
REF pin.
REF
1
3
8
Analog
input
Reference input. Enables bidirectional current sensing with an externally applied
voltage.
VS
3
1
6
Analog
Power supply, 1.7 V to 5.5 V



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