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THS3491IDDAR - Texas Instruments

Description: 900-MHz, High Power Output, Current Feedback Amplifier

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THS3491IDDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - dda(r-pdso-g8)
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THS3491IDDAR Details

  • Manufacturer Part Number:

    THS3491IDDAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China, Mexico, Philippines, Taiwan, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2017-09-09

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    CURRENT-FEEDBACK

  • Bandwidth (3dB)-Nom:

    800 MHz

  • Bias Current-Max (IIB) @25C:

    5 µA

  • Common-mode Reject Ratio-Min:

    67 dB

  • Common-mode Reject Ratio-Nom:

    75 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    2000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -16.5 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 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:

    HLSOP

  • Package Equivalence Code:

    SOP8,.23

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.7 mm

  • Slew Rate-Nom:

    8000 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    17.3 mA

  • Supply Voltage Limit-Max:

    16.5 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    900000

  • Wideband:

    YES

  • Width:

    3.9 mm

THS3491IDDAR Frequently Asked Questions (FAQs)

  • A good PCB layout for the THS3491IDDAR involves keeping the input and output traces short and away from noise sources, using a solid ground plane, and placing decoupling capacitors close to the device. TI provides a recommended layout in the datasheet and application notes.
  • To optimize the THS3491IDDAR for low power consumption, use the lowest possible supply voltage, disable the output when not in use, and adjust the bandwidth to the minimum required for the application. Additionally, consider using the device's power-down mode.
  • The THS3491IDDAR can drive up to 100 pF of capacitive load. Exceeding this limit may result in oscillations or instability. If a larger capacitive load is required, consider adding a buffer or using a device with higher drive capability.
  • To filter out high-frequency noise in the THS3491IDDAR output, consider adding an external filter, such as an RC low-pass filter or a ferrite bead, to the output stage. This can help reduce electromagnetic interference (EMI) and radio-frequency interference (RFI).
  • For optimal thermal management, ensure good airflow around the device, use a heat sink if necessary, and avoid blocking the thermal pads on the package. TI provides thermal resistance values in the datasheet to aid in thermal design.

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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 THS3491IDDAT Texas Instruments

Operational Amplifier, 1 Func, 2000uV Offset-Max, 800MHz Band Width, BICMOS, PDSO8