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INA281A1IDBVR - Texas Instruments

Description: INA281, –4-V to 110-V, 1.3-MHz Current-Sense Amplifier

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INA281A1IDBVR - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV0005A  HEIGHT 1.45
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INA281A1IDBVR - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV0005A  HEIGHT 1.45
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INA281A1IDBVR Details

  • Manufacturer Part Number:

    INA281A1IDBVR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2020-08-31

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    CURRENT-FEEDBACK

  • Average Bias Current-Max (IIB):

    30 µA

  • Bias Current-Max (IIB) @25C:

    30 µA

  • Common Mode Voltage-Max:

    110 V

  • Common-mode Reject Ratio-Min:

    120 dB

  • Common-mode Reject Ratio-Nom:

    140 dB

  • Frequency Compensation:

    NO

  • Input Offset Voltage-Max:

    500 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    SOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.45 mm

  • Slew Rate-Nom:

    2.5 V/us

  • Supply Current-Max:

    2.25 mA

  • Supply Voltage Limit-Max:

    22 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Unity Gain BW-Nom:

    1300

  • Voltage Gain-Nom:

    20

  • Wideband:

    NO

  • Width:

    1.6 mm

INA281A1IDBVR Frequently Asked Questions (FAQs)

  • The INA281A1IDBVR can handle input voltages up to 36V, but it's recommended to keep the input voltage below 30V for optimal performance and to prevent damage to the device.
  • To ensure accurate current measurements, make sure to use a sense resistor with a low temperature coefficient, keep the sense resistor close to the INA281A1IDBVR, and use a low-noise power supply. Also, ensure that the input voltage is within the recommended range and that the device is operated within its specified temperature range.
  • The INA281A1IDBVR's accuracy can be affected by temperature changes. The device's offset voltage and gain error can vary with temperature, which can affect the accuracy of current measurements. It's essential to consider the temperature range of the application and to calibrate the device accordingly.
  • The INA281A1IDBVR is designed for low-frequency current measurements, and its bandwidth is limited to around 350 kHz. For high-frequency current measurements, a different device with a higher bandwidth may be required.
  • To protect the INA281A1IDBVR from overcurrent conditions, use a current limiter or a fuse in series with the input voltage, and ensure that the device is operated within its specified current rating. Also, consider using a voltage regulator to regulate the input voltage and prevent overvoltage conditions.

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INA281A1IDBVR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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