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INA149AIDR - Texas Instruments

Description: High Common Mode Voltage Difference Amplifier

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INA149AIDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A  SOIC
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INA149AIDR - Texas Instruments  - 3D model - Small Outline Packages - D0008A  SOIC
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INA149AIDR Details

  • Manufacturer Part Number:

    INA149AIDR

  • 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:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Common-mode Reject Ratio-Min:

    90 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    1100 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • 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

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Min:

    1.7 V/us

  • Slew Rate-Nom:

    5 V/us

  • Supply Current-Max:

    0.9 mA

  • Supply Voltage Limit-Max:

    20 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

  • Unity Gain BW-Nom:

    500

  • Voltage Gain-Max:

    1

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    1

  • Wideband:

    NO

  • Width:

    3.9 mm

INA149AIDR Frequently Asked Questions (FAQs)

  • The INA149AIDR can handle input voltages up to ±650mV, but it's recommended to keep the input voltage within ±500mV to ensure accurate measurements.
  • The gain resistor (Rg) should be chosen based on the desired gain and the input voltage range. A higher gain resistor value results in higher gain, but also increases noise and offset voltage. TI provides a gain resistor calculator tool to help with the selection.
  • The REF pin is a reference input that allows the user to set the output voltage of the INA149AIDR to a specific level. This can be useful for applications where a specific output voltage is required. The REF pin should be connected to a stable voltage source, and the output voltage will be adjusted accordingly.
  • To minimize noise and interference, use proper PCB layout techniques, such as separating analog and digital grounds, using a solid ground plane, and keeping the input and output traces short and shielded. Additionally, use a low-pass filter or a ferrite bead to filter out high-frequency noise.
  • The INA149AIDR can provide up to 10mA of output current, but it's recommended to keep the output current below 5mA to ensure accurate measurements and to prevent overheating.

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INA149AIDR 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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