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INA381A3IDSGT - Texas Instruments

Description: Current Sense Amplifiers 26V, 350kHz current sense amplifier w/ integrated over-current comparator 8-WSON -40 to 125

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INA381A3IDSGT - Texas Instruments - PCB symbol
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PCB Footprints
INA381A3IDSGT - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSG0008A _2021
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3D Models
INA381A3IDSGT - Texas Instruments - 3D model - Small Outline No-lead - DSG0008A _2021
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INA381A3IDSGT Details

  • Manufacturer Part Number:

    INA381A3IDSGT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2018-02-09

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Common Mode Voltage-Max:

    26 V

  • Common-mode Reject Ratio-Min:

    84 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    150 µV

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    0.8 mm

  • Slew Rate-Nom:

    2 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    0.45 mA

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    150

  • Voltage Gain-Nom:

    100

  • Wideband:

    NO

  • Width:

    2 mm

INA381A3IDSGT Frequently Asked Questions (FAQs)

  • The INA381A3IDSGT 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 INA381A3IDSGT, 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 VREF pin is used to set the internal reference voltage of the INA381A3IDSGT. It can be connected to a voltage reference source or left unconnected to use the internal reference voltage. The VREF pin is used to set the gain of the device and to provide a reference voltage for the analog-to-digital converter (ADC).
  • Yes, the INA381A3IDSGT can be used to measure bidirectional currents. The device has a differential input stage that allows it to measure currents in both directions. However, the device's output will be unipolar, so you'll need to use an external circuit to convert the output to a bipolar signal if needed.
  • Calibration of the INA381A3IDSGT involves trimming the internal offset and gain of the device. This can be done using the TRIM pin and an external resistor network. Refer to the datasheet for specific calibration procedures and equations.

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INA381A3IDSGT 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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