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OPA544T - Texas Instruments

Description: High-Current (4A Typ), High-Voltage, Operational Amplifier

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PCB Footprints
OPA544T - Texas Instruments PCB footprint - Other - Other - KC0005A_3
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OPA544T - Texas Instruments  - 3D model - Other - KC0005A_3
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OPA544T Details

  • Manufacturer Part Number:

    OPA544T

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • 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):

    0.0001 µA

  • Bias Current-Max (IIB) @25C:

    0.0001 µA

  • Common-mode Reject Ratio-Min:

    90 dB

  • Common-mode Reject Ratio-Nom:

    106 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.0001 µA

  • Input Offset Voltage-Max:

    5000 µV

  • JESD-30 Code:

    R-PSFM-T5

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Neg Supply Voltage Limit-Max:

    -35 V

  • Neg Supply Voltage-Nom (Vsup):

    -35 V

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP5,.1,67TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Power:

    YES

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.7 mm

  • Slew Rate-Min:

    5 V/us

  • Slew Rate-Nom:

    8 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    15 mA

  • Supply Voltage Limit-Max:

    35 V

  • Supply Voltage-Nom (Vsup):

    35 V

  • Surface Mount:

    NO

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    SINGLE

  • Unity Gain BW-Nom:

    1400

  • Voltage Gain-Min:

    31600

  • Wideband:

    NO

  • Width:

    8.51 mm

OPA544T Frequently Asked Questions (FAQs)

  • The maximum power dissipation of OPA544T is 2.5W. However, it's recommended to keep the junction temperature below 150°C to ensure reliable operation.
  • To ensure stability in high-gain configurations, it's recommended to use a compensation capacitor (Cc) between the output and the inverting input. The value of Cc depends on the gain and bandwidth requirements. A good starting point is 10-22pF.
  • For optimal performance, use a star-grounding technique, where the grounds of the power supplies, analog circuits, and digital circuits are connected at a single point. Keep the layout symmetrical, and use a solid ground plane to minimize noise and EMI.
  • Yes, OPA544T can be used as a unity-gain buffer. However, it's essential to ensure that the input impedance is high enough to avoid loading the source. A buffer configuration can help improve the input impedance and reduce the output impedance.
  • To protect OPA544T from overvoltage and ESD, use voltage clamps or transient voltage suppressors (TVS) on the input and output pins. Additionally, follow proper PCB design and layout guidelines to minimize ESD susceptibility.

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OPA544T 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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