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BUF634U - Texas Instruments

Description: 250-mA high-speed buffer - see BUF634A for upgraded version

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BUF634U - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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BUF634U - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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BUF634U Details

  • Manufacturer Part Number:

    BUF634U

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    1993-07-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    3.9

  • Amplifier Type:

    BUFFER

  • Average Bias Current-Max (IIB):

    20 µA

  • Bandwidth (3dB)-Nom:

    180 MHz

  • Bias Current-Max (IIB) @25C:

    20 µA

  • Input Offset Voltage-Max:

    100000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • 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:

    125 °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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    2000 V/us

  • Supply Current-Max:

    20 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    180000

  • Width:

    3.9 mm

BUF634U Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the BUF634U is dependent on the thermal resistance of the package and the ambient temperature. According to the datasheet, the maximum power dissipation is approximately 2.5W at 25°C ambient temperature.
  • To ensure stability when using the BUF634U, it is recommended to use a minimum output capacitance of 100nF and to avoid using capacitors with high equivalent series resistance (ESR). Additionally, the input and output pins should be decoupled with 10nF to 100nF capacitors.
  • The recommended operating voltage range for the BUF634U is 2.7V to 5.5V. Operating the device outside of this range may affect its performance and reliability.
  • To reduce noise and oscillations when using the BUF634U, it is recommended to use a low-ESR output capacitor, minimize the length of the output traces, and use a ground plane to reduce electromagnetic interference (EMI).
  • No, the BUF634U is not designed to be used as a voltage regulator. It is a buffer amplifier intended for signal buffering and amplification applications. Using it as a voltage regulator may lead to unstable operation and reduced reliability.

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BUF634U 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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