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OPA657U - Texas Instruments

Description: High Speed Operational Amplifiers 1.6GHz Low Noise FET-Input Op Amp

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OPA657U - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 8-SOIC--
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OPA657U - Texas Instruments  - 3D model - Small Outline Packages - 8-SOIC--
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OPA657U Details

  • Manufacturer Part Number:

    OPA657U

  • 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

  • Average Bias Current-Max (IIB):

    0.005 µA

  • Bias Current-Max (IIB) @25C:

    0.00002 µA

  • Common-mode Reject Ratio-Min:

    83 dB

  • Common-mode Reject Ratio-Nom:

    89 dB

  • Frequency Compensation:

    YES (AVCL>=7)

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    1800 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -6.5 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

  • 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:

    700 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    16 mA

  • Supply Voltage Limit-Max:

    6.5 V

  • Supply Voltage-Nom (Vsup):

    5 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:

    1600000

  • Voltage Gain-Min:

    1410

  • Wideband:

    YES

  • Width:

    3.9 mm

OPA657U Frequently Asked Questions (FAQs)

  • TI recommends using a 10uF ceramic capacitor in parallel with a 100nF ceramic capacitor, placed as close as possible to the power pins, to ensure stable operation.
  • To optimize the OPA657U for high-frequency applications, use a low-ESR capacitor (e.g., 100nF) in parallel with a high-frequency bead or ferrite bead in series with the output, and ensure the PCB layout is optimized for high-frequency signal integrity.
  • The OPA657U can drive up to 1nF of capacitive load, but it's recommended to limit the capacitive load to 470pF or less to ensure stability and prevent oscillations.
  • Yes, the OPA657U can be used as a unity-gain buffer, but it's essential to ensure the input impedance is matched to the source impedance to prevent signal attenuation and distortion.
  • To reduce noise and hum, use a well-regulated power supply, ensure good PCB layout and grounding practices, and consider adding a noise filter or common-mode choke to the input or output stages.

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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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