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INA190 数据表(PDF) 6 Page - Texas Instruments

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部件名 INA190
功能描述  Low Supply, Voltage Output, Low- or High-Side Measurement, Bidirectional, Zero-Drift Series, Current-Shunt Monitors
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

INA190 数据表(HTML) 6 Page - Texas Instruments

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IN±
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Copyright © 2018, Texas Instruments Incorporated
REF
ENABLE
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INA190
6
INA190
SBOS863 – MARCH 2018
www.ti.com
Product Folder Links: INA190
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
7 Detailed Description
7.1 Overview
The INA190 is a low bias current, 40-V common-mode, current-sensing amplifier with an enable pin. When
disabled, the output goes to a high impedance state and the supply current draw is reduced to less than 0.5 µA.
The INA190 is intended for use in either low-side and high-side current-sensing configurations where high
accuracy and low current consumption are required. The INA190 is a specially-designed, current-sensing
amplifier that accurately measure voltages developed across current-sensing resistors on common-mode
voltages that far exceed the supply voltage. Current can be measured on input voltage rails as high as 40 V, with
a supply voltage as low as 1.7 V.
7.2 Functional Block Diagram


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