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INA128UA - Texas Instruments

Description: Precision, 130-dB CMRR, 700-µA, Low-Power, Instrumentation Amplifier

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INA128UA Details

  • Manufacturer Part Number:

    INA128UA

  • 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):

    0.01 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:

    2

  • 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:

    TUBE

  • 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):

    30

  • Voltage Gain-Max:

    10000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3.9 mm

INA128UA Frequently Asked Questions (FAQs)

  • The INA128UA can handle common-mode voltages up to ±200mV, but it's recommended to keep it below ±150mV for optimal performance.
  • The INA128UA is specified to operate from -40°C to 125°C. Ensure that your system's operating temperature falls within this range, and consider using thermal management techniques like heat sinks or thermal interfaces if necessary.
  • To minimize noise and ensure optimal performance, keep the input traces as short as possible, use a ground plane, and avoid running digital signals near the INA128UA's analog inputs. Also, use a low-ESR capacitor for the bypass capacitor (C1) and place it as close to the VIN pin as possible.
  • The gain of the INA128UA is determined by the ratio of the feedback resistors (Rf and Rg). The gain can be calculated using the formula: Gain = (Rf / Rg) + 1. For example, if Rf = 2kΩ and Rg = 1kΩ, the gain would be 3 (2kΩ / 1kΩ + 1).
  • The REF pin is the reference voltage input for the INA128UA. It sets the output voltage of the amplifier when the inputs are equal. Typically, it's connected to a voltage reference or a stable voltage source, such as a voltage regulator output.

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INA128UA 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 INA128UA/2K5 Texas Instruments

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Part Image INA128UA/2K5 Burr-Brown Corp

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Part Image INA128UA/2K5E4 Texas Instruments

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Part Image INA128UAE4 Texas Instruments

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