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INA128UA/2K5E4 - Texas Instruments

Description: Instrumentation Amplifiers Precision Low Power Instrumentation Amp

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INA128UA/2K5E4 Details

  • Manufacturer Part Number:

    INA128UA/2K5E4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, MS-012AA, 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):

    0.01 µA

  • Bandwidth (3dB)-Nom:

    1.3 MHz

  • Bias Current-Max (IIB) @25C:

    0.005 µA

  • Common-mode Reject Ratio-Min:

    120 dB

  • Input Offset Current-Max (IIO):

    0.01 µA

  • Input Offset Voltage-Max:

    50 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:

    0.004%

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °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:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    4 V/us

  • Subcategory:

    Instrumentation Amplifier

  • Supply Current-Max:

    0.75 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • 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

INA128UA/2K5E4 Frequently Asked Questions (FAQs)

  • The INA128UA/2K5E4 can handle input voltages up to ±40V, but it's recommended to keep the input voltage within the supply voltage range (±15V) for optimal performance.
  • The gain of the INA128UA/2K5E4 is determined by the ratio of the resistors Rg and Rf. The gain can be calculated using the formula: Gain = (Rf / Rg) + 1. For example, if Rg = 1kΩ and Rf = 2kΩ, the gain would be 3.
  • 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 range. The REF pin should be connected to a low-impedance source to ensure stability.
  • Yes, the INA128UA/2K5E4 can be used as a single-ended amplifier by connecting the negative input to ground and using the positive input as the signal input. However, this configuration may reduce the common-mode rejection ratio (CMRR) and increase noise.
  • To minimize noise and interference, it's recommended to follow good PCB layout practices, such as keeping the input and output traces separate, using a ground plane, and placing the amplifier close to the input signal source. Additionally, use shielding and filtering components, such as capacitors and ferrite beads, to reduce electromagnetic interference (EMI).

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INA128UA/2K5E4 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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