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THS4281DGK - Texas Instruments

Description: Very Low-Power High Speed Rail-To-Rail Input/Output Voltage Feedback Operational Amplifier

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THS4281DGK - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK  (S-PDSO-G8)
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THS4281DGK - Texas Instruments  - 3D model - Small Outline Packages - DGK  (S-PDSO-G8)
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THS4281DGK Details

  • Manufacturer Part Number:

    THS4281DGK

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • 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):

    1 µA

  • Bandwidth (3dB)-Nom:

    3.8 MHz

  • Bias Current-Max (IIB) @25C:

    0.8 µA

  • Common-mode Reject Ratio-Min:

    90 dB

  • Common-mode Reject Ratio-Nom:

    107 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.4 µA

  • Input Offset Voltage-Max:

    2500 µV

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -8.25 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:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    35 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    0.93 mA

  • Supply Voltage Limit-Max:

    8.25 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    50000

  • Voltage Gain-Min:

    17783

  • Wideband:

    NO

  • Width:

    3 mm

THS4281DGK Frequently Asked Questions (FAQs)

  • A good PCB layout for the THS4281DGK involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended PCB layout, use a low-ESR output capacitor, and add a series resistor (Rs) in the feedback path. Also, ensure that the gain and phase margins are sufficient by checking the loop gain and phase plots.
  • The maximum power dissipation of the THS4281DGK is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 1.4W at 25°C ambient temperature. However, this can be derated based on the actual operating conditions.
  • Yes, the THS4281DGK can be used as a unity-gain buffer. However, it's essential to ensure that the input and output impedances are matched, and the device is properly biased. Additionally, the gain bandwidth product should be sufficient for the desired frequency range.
  • To protect the THS4281DGK from overvoltage and ESD, use voltage clamps or transient voltage suppressors (TVS) on the input and output pins. Additionally, follow proper ESD handling procedures during assembly and storage.

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THS4281DGK 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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Part Image THS4281DGKG4 Texas Instruments

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