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INA381A2IDSGR The Texas Instruments INA381A2IDSGR is a current sense amplifier with an integrated comparator. It operates with a common-mode voltage up to 26V and offers ±1% accuracy.
Mfr Part #:

INA381A2IDSGR

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA381A2IDSGR is a current sense amplifier with an integrated comparator. It operates with a common-mode voltage up to 26V and offers ±1% accuracy.
✓ Total Stock: 47,336 pcs
$ Price Range: $0.20

INA381A2IDSGR Available from 5 distributors

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INA381A2IDSGR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Bandwidth
Function
Mounting Type
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Operating Temperature
SVHC Present
Sensing Method
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INA381A2IDSGR Description

Short technical summary and product information.

The Texas Instruments INA381A2IDSGR is a high-accuracy current sense amplifier designed for a wide range of applications. It supports a common-mode voltage range from -0.2V to 26V, making it versatile for various power management systems.

 

This amplifier boasts a gain error of ±1% and a gain error drift of 20 ppm/°C, ensuring precise current measurements. It offers multiple voltage gain options (20, 50, 100, 200 V/V) and a bandwidth of up to 350 kHz. The device includes an integrated open-drain comparator with hysteresis for alert functions.

 

Packaged in an 8-WSON (2x2) surface-mount package, the INA381A2IDSGR is suitable for compact designs. Its operating temperature range is -40°C to 125°C, providing reliability in demanding environments. The high/low-side sensing capability further enhances its application flexibility.

INA381A2IDSGR Quick Information

Product Type: Current Sense Amplifier
Series: INA381
Canonical Name: INA381A2IDSGR Current Sense Amplifier with Integrated Comparator
Subcategory: Current Regulation Management

INA381A2IDSGR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

INA381A2IDSGR Estimated Pricing

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1+ $0.20 $0.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

INA381A2IDSGR Features

  • 26V common-mode voltage range.
  • ±1% maximum gain error.
  • Up to 350kHz bandwidth.
  • Integrated over-current comparator.
  • 8-WSON surface-mount package.

INA381A2IDSGR Applications

  • Ideal for power monitoring.
  • Suitable for battery management.
  • Used in system protection circuits.
  • Applicable for high-side sensing.

INA381A2IDSGR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the common-mode voltage range of the INA381A2IDSGR?

-0.2 V to 26 V.

What voltage gain settings are available?

20, 50, 100, and 200 V/V.

What accuracy does the INA381A2IDSGR provide?

±1% gain accuracy.

What sensing method does the INA381A2IDSGR support?

High-side or low-side current sensing.

What is the input offset characteristics of the INA381A2IDSGR?

Input offset voltage is ±150 µV maximum, with typical drift of ±0.1 µV/°C.

What is the operating temperature range of the INA381A2IDSGR?

-40°C to 125°C.

What package is the INA381A2IDSGR available in?

8-WSON (2x2) surface-mount package with exposed pad.

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