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OPA124UA - Texas Instruments

Description: Low Noise Precision Difet Operational Amplifier

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OPA124UA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A(1)
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OPA124UA - Texas Instruments  - 3D model - Small Outline Packages - D0008A(1)
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OPA124UA Details

  • Manufacturer Part Number:

    OPA124UA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.000002 µA

  • Bias Current-Max (IIB) @25C:

    0.000002 µA

  • Common-mode Reject Ratio-Min:

    94 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.000001 µA

  • Input Offset Voltage-Max:

    500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °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

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Min:

    1 V/us

  • Slew Rate-Nom:

    1.6 V/us

  • Supply Current-Max:

    3.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    1500

  • Voltage Gain-Min:

    200000

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA124UA Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA124UA is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • To ensure stability in a unity-gain configuration, it's recommended to add a capacitor (typically 10-100pF) between the output and the inverting input to compensate for the op-amp's internal capacitance and prevent oscillations.
  • For optimal performance, it's recommended to use a star-grounding technique, where the op-amp's ground pin is connected to a central ground point, and to keep the input and output traces as short as possible to minimize noise and interference.
  • While the OPA124UA can be used as a comparator, it's not the most suitable op-amp for this application due to its relatively slow slew rate (2.5V/μs) and limited bandwidth (38kHz). A dedicated comparator IC would be a better choice for most applications.
  • To prevent electrostatic discharge (ESD) damage, it's recommended to use ESD protection devices, such as TVS diodes or ESD protection arrays, on the input and output pins of the OPA124UA, and to follow proper handling and storage procedures to minimize the risk of ESD damage.

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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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