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INA121UA - Texas Instruments

Description: INA121UA, Instrumention Amplifier, 72dB CMRR, 8-Pin SOIC

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INA121UA Details

  • Manufacturer Part Number:

    INA121UA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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

  • 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:

    0.53 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Gain-Max:

    10000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3.9 mm

INA121UA Frequently Asked Questions (FAQs)

  • The INA121UA can handle input voltages up to ±40V, but it's recommended to keep the input voltage within ±20V for optimal performance.
  • The INA121UA's common-mode voltage range is ±12V. Ensure that the input voltage is within this range by using voltage dividers or level-shifters if necessary.
  • The REF pin is a reference voltage input that allows you to set the output voltage of the INA121UA. You can connect it to a voltage reference or a resistive divider to set the output voltage to a specific level.
  • The gain of the INA121UA is determined by the ratio of the resistors Rg and Rf. The gain is calculated as Gain = (Rf / Rg) + 1. For example, if Rf = 1kΩ and Rg = 1kΩ, the gain is 2.
  • The null pins are used to adjust the offset voltage of the INA121UA. By connecting a potentiometer between the null pins and the output pin, you can adjust the output voltage to zero when the input voltage is zero.

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INA121UA 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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Part Image INA121U/2K5G4 Texas Instruments

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