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INA121UG4 - Texas Instruments

Description: Instrumentation Amplifiers FET-Input Low Power Instrumentation Amp

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INA121UG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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INA121UG4 - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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INA121UG4 Details

  • Manufacturer Part Number:

    INA121UG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, SOIC-8

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.00005 µA

  • Bandwidth (3dB)-Nom:

    0.6 MHz

  • Bias Current-Max (IIB) @25C:

    0.00005 µA

  • Common-mode Reject Ratio-Min:

    106 dB

  • Input Offset Current-Max (IIO):

    5e-7 µA

  • Input Offset Voltage-Max:

    500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Non-linearity-Max:

    0.002%

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    0.7 V/us

  • Subcategory:

    Instrumentation Amplifier

  • Supply Current-Max:

    0.525 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Voltage Gain-Max:

    10000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3.9 mm

INA121UG4 Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is ±40V, but it's recommended to keep it within ±20V to ensure accurate measurements and prevent damage to the device.
  • The gain of the INA121UG4 is fixed at 5V/V, which means that the output voltage will be 5 times the input voltage. You can calculate the output voltage using the formula: Vout = 5 * (Vin+ - Vin-).
  • The REF pin is used to set the reference voltage for the output. It's typically connected to a voltage reference or a stable voltage source. The output voltage will be referenced to this pin, so it's essential to ensure it's stable and accurate.
  • The INA121UG4 is designed for low-frequency applications, typically up to 50kHz. While it may work for higher frequencies, its performance will degrade, and it may not provide accurate measurements. For high-frequency applications, consider using a different amplifier or a specialized high-frequency instrumentation amplifier.
  • To reduce noise and interference, use proper layout techniques, such as keeping the input and output traces separate, using a ground plane, and minimizing the length of the input traces. Additionally, consider using shielding, filtering, and guarding techniques to reduce electromagnetic interference (EMI).

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INA121UG4 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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