INA281A3IDBVR The Texas Instruments INA281A3IDBVR is a high-precision analog current sense amplifier. It operates over a wide common-mode voltage range and offers a bandwidth of up to 1.3MHz.
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INA281A3IDBVR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA281A3IDBVR is a high-precision analog current sense amplifier. It operates over a wide common-mode voltage range and offers a bandwidth of up to 1.3MHz.
✓ Total Stock: 1,696 pcs
$ Price Range: $0.91

INA281A3IDBVR Available from 1 distributor

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✓ Non-Authorised
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INA281A3IDBVR Specifications Quick View

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INA281A3IDBVR Description

Short technical summary and product information.

The Texas Instruments INA281A3IDBVR is a high-precision, low-side capable current sense amplifier designed for a wide operating range. It supports a common-mode voltage from -4V to +110V, with survival voltages extending to -20V to +120V.

 

This amplifier features a high DC CMRR of 120 dB and an AC CMRR of 65 dB at 50 kHz. The bandwidth reaches up to 1.3 MHz, with a slew rate of 2.5 V/µs. Accuracy is maintained with a gain error of ±0.5% maximum and a gain drift of ±20 ppm/°C maximum. The quiescent current is a maximum of 2.25 mA.

 

Available in a SOT-23 package, the INA281A3IDBVR is suitable for surface mount applications. It operates within an industrial temperature range of -40°C to 125°C. This device is ideal for applications requiring precise current monitoring within demanding voltage environments.

INA281A3IDBVR Quick Information

Product Type: Current Sense Amplifier
Series: INA281
Canonical Name: INA281A3IDBVR Current Sense Amplifier

INA281A3IDBVR Compliance

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

INA281A3IDBVR Estimated Pricing

Qty Low High
1+ $0.91 $0.91

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

INA281A3IDBVR Features

  • Wide -4V to 110V common-mode voltage.
  • High precision with ±0.5% gain error.
  • 1.3 MHz bandwidth for fast response.
  • Low quiescent current of 2.25 mA.
  • SOT-23 package for surface mounting.

INA281A3IDBVR Applications

  • Accurate current monitoring in power supplies.
  • Battery management system applications.
  • High-side or low-side current sensing.
  • Industrial control systems.

INA281A3IDBVR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the INA281A3IDBVR?

-40°C to 125°C.

What package does the INA281A3IDBVR come in?

SOT-23 with 5 pins, surface-mount.

What is the common-mode voltage range of this amplifier?

-4V to 110V.

What is the minimum CMRR of the INA281A3IDBVR?

120 dB.

What gain options are available?

20, 50, 100, 200, and 500 V/V.

What is the typical slew rate of the INA281A3IDBVR?

2.5 V/µs.

What is the quiescent current consumption?

2.25 mA maximum.

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