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INA122U - Texas Instruments

Description: INA122U, Instrumention Amplifier, 0.25mV Offset, 83dB CMRR, Rail-Rail Output, 5V, 8-Pin SOIC

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INA122U - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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INA122U Details

  • Manufacturer Part Number:

    INA122U

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • 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):

    0.025 µA

  • Bandwidth (3dB)-Nom:

    0.12 MHz

  • Bias Current-Max (IIB) @25C:

    0.025 µA

  • Common-mode Reject Ratio-Min:

    83 dB

  • Input Offset Current-Max (IIO):

    0.002 µA

  • Input Offset Voltage-Max:

    250 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

  • 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:

    0.08 V/us

  • Supply Current-Max:

    0.085 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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):

    30

  • Voltage Gain-Max:

    10000

  • Voltage Gain-Min:

    5

  • Voltage Gain-Nom:

    100

  • Width:

    3.9 mm

INA122U Frequently Asked Questions (FAQs)

  • The INA122U can handle input voltages up to ±40V, but it's recommended to keep the input voltage within ±20V for optimal performance.
  • The gain of the INA122U is determined by the ratio of the resistors Rg and Rf. The gain can be calculated using the formula: Gain = (Rf / Rg) + 1.
  • The REF pin is used to set the reference voltage for the amplifier. It can be connected to a voltage reference or a resistive divider to set the output voltage of the amplifier.
  • Yes, the INA122U can be used as a single-supply amplifier. However, the input voltage range will be limited to 0V to VCC, and the output voltage will be referenced to VCC/2.
  • To reduce noise and oscillations, ensure that the layout is clean and well-decoupled, use a low-ESR capacitor for power supply decoupling, and add a capacitor in parallel with Rf to reduce high-frequency noise.

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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 INA122U/2K5 Texas Instruments

Instrumentation Amplifier, 1 Func, 250uV Offset-Max, 0.12MHz Band Width, BIPolar, PDSO8