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INA138NA/250G4 - Texas Instruments

Description: High-Side Measurement CURRENT SHUNT MONITOR

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PCB Footprints
INA138NA/250G4 - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV
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3D Models
INA138NA/250G4 - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV
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INA138NA/250G4 Details

  • Manufacturer Part Number:

    INA138NA/250G4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 5 PIN

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    CURRENT-FEEDBACK

  • Average Bias Current-Max (IIB):

    10 µA

  • Bias Current-Max (IIB) @25C:

    2 µA

  • Common-mode Reject Ratio-Min:

    100 dB

  • Common-mode Reject Ratio-Nom:

    120 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    10 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.45 mm

  • Supply Current-Max:

    0.65 mA

  • Supply Voltage Limit-Max:

    22 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    400

  • Wideband:

    NO

  • Width:

    1.6 mm

INA138NA/250G4 Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the INA138NA/250G4 is 670mW at 25°C. However, it's recommended to derate the power dissipation to 500mW or less to ensure reliable operation.
  • To minimize noise and ensure optimal performance, it's recommended to follow good PCB layout practices such as separating analog and digital grounds, using a solid ground plane, and keeping the input and output traces short and direct. Additionally, place the INA138NA/250G4 close to the signal source and use a low-impedance path for the input signal.
  • The recommended input impedance for the INA138NA/250G4 is 1kΩ or less. This ensures that the input signal is not attenuated and that the amplifier operates within its specified gain range.
  • Yes, the INA138NA/250G4 can be used as a unity-gain buffer. However, it's recommended to add a 1kΩ to 10kΩ resistor in series with the input signal to prevent oscillation and ensure stability.
  • The gain of the INA138NA/250G4 can be calculated using the formula: Gain = (Rf/Rg) + 1, where Rf is the feedback resistor and Rg is the gain resistor. The gain range of the INA138NA/250G4 is 1 to 1000.

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INA138NA/250G4 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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