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INA139NA/3K - Texas Instruments

Description: 36V, High-Side, High-Speed, Current Output Current Sense Amplifier

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INA139NA/3K - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV
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INA139NA/3K - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV
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INA139NA/3K Details

  • Manufacturer Part Number:

    INA139NA/3K

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    10 µA

  • Bandwidth (3dB)-Nom:

    0.44 MHz

  • Common Mode Voltage-Max:

    36 V

  • Common-mode Reject Ratio-Min:

    100 dB

  • Common-mode Reject Ratio-Nom:

    115 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.0015 µA

  • Input Offset Voltage-Max:

    1000 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    2

  • Non-linearity-Max:

    0.1%

  • 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:

    TSSOP14,.25

  • 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:

    0.125 mA

  • Supply Voltage Limit-Max:

    60 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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:

    220

  • Voltage Gain-Max:

    100

  • Voltage Gain-Min:

    1

  • Wideband:

    NO

  • Width:

    1.6 mm

INA139NA/3K Frequently Asked Questions (FAQs)

  • The INA139NA/3K can handle input voltages up to ±650mV, but it's recommended to keep the input voltage within ±500mV to ensure accurate measurements.
  • The gain resistor (Rg) should be chosen based on the desired gain and the input voltage range. A higher gain resistor value results in higher gain, but also increases noise and offset voltage. A good starting point is to use the recommended Rg value from the datasheet and adjust as needed for your specific application.
  • The REF pin is a reference voltage output that can be used as a voltage reference for the system. It's typically connected to the analog-to-digital converter (ADC) reference input or used as a voltage reference for other components in the system. The REF pin output voltage is 1.024V ±1%.
  • To minimize noise and ensure accurate measurements, keep the input signals away from noisy power supply lines and digital signals. Use a ground plane and keep the analog and digital grounds separate. Also, use a low-ESR capacitor (e.g., 10uF) between the VCC and GND pins to filter out noise.
  • The typical current consumption of the INA139NA/3K is 380μA, but this can vary depending on the gain setting and input voltage range.

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INA139NA/3K 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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