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OPA655U - Texas Instruments

Description: High Speed Operational Amplifiers Wideband FET-Input Operational Amplifier 8-SOIC

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OPA655U - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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OPA655U Details

  • Manufacturer Part Number:

    OPA655U

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOIC-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):

    0.008 µA

  • Bias Current-Max (IIB) @25C:

    0.000125 µA

  • Common-mode Reject Ratio-Min:

    55 dB

  • Common-mode Reject Ratio-Nom:

    70 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    2000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Neg Supply Voltage Limit-Max:

    -5.5 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °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

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Min:

    200 V/us

  • Slew Rate-Nom:

    290 V/us

  • Supply Current-Max:

    31 mA

  • Supply Voltage Limit-Max:

    5.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Unity Gain BW-Nom:

    240000

  • Voltage Gain-Min:

    320

  • Wideband:

    YES

  • Width:

    3.9 mm

OPA655U Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the OPA655U is 1.4W, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 90°C/W.
  • To ensure stability, it's recommended to use a compensation capacitor (CC) between the output and the inverting input pins. The value of CC depends on the gain and bandwidth requirements, but a good starting point is 10-22pF.
  • To minimize noise and oscillations, it's recommended to use a star-ground configuration, keep the input and output traces short and away from each other, and use a solid ground plane. Additionally, decouple the power supplies with 0.1uF and 10uF capacitors.
  • Yes, the OPA655U can be used as a unity-gain buffer, but it's not recommended due to its high bandwidth and potential for oscillations. Instead, consider using a dedicated unity-gain buffer op-amp like the OPA633 or OPA634.
  • To protect the OPA655U from overvoltage and ESD damage, use voltage clamps or transient voltage suppressors (TVS) on the input and output pins. Additionally, follow proper ESD handling and storage procedures to prevent damage during manufacturing and assembly.

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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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