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OPA4251UA - Texas Instruments

Description: Texas Instruments OPA4251UA, Quad Op Amp, 0.035MHz Rail-Rail, 3 → 28 V, 14-Pin SOIC

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PCB Footprints
OPA4251UA - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-14N
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OPA4251UA - Texas Instruments  - 3D model - Other - SOIC127P600X175-14N
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OPA4251UA Details

  • Manufacturer Part Number:

    OPA4251UA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • 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

  • Average Bias Current-Max (IIB):

    0.025 µA

  • Bias Current-Max (IIB) @25C:

    0.02 µA

  • Common-mode Reject Ratio-Min:

    100 dB

  • Common-mode Reject Ratio-Nom:

    124 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.02 µA

  • Input Offset Voltage-Max:

    250 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.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-Nom:

    0.01 V/us

  • Supply Current-Max:

    0.152 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

  • Unity Gain BW-Nom:

    35

  • Voltage Gain-Min:

    100000

  • Wideband:

    NO

  • Width:

    3.9 mm

OPA4251UA Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA4251UA 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, it's essential to follow proper PCB layout practices, minimize parasitic capacitance, and use a compensation capacitor (if necessary) as recommended in the datasheet. Additionally, consider using a phase margin analyzer tool to verify stability.
  • The recommended input impedance for the OPA4251UA is in the range of 1kΩ to 10kΩ. This ensures optimal performance and minimizes the effects of input bias current and input capacitance.
  • While the OPA4251UA can be used as a comparator, it's not the most suitable choice due to its relatively slow slew rate (2.5V/μs) and limited output current (±30mA). A dedicated comparator IC would be a better option for most applications.
  • To protect the OPA4251UA from overvoltage and ESD, use voltage clamps, such as TVS diodes or zener diodes, on the input and output pins. Additionally, follow proper PCB design practices, including using a ground plane and minimizing trace lengths.

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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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