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THS4121CDGK - Texas Instruments

Description: 3.3 V, 100 MHz, 43 V/us, Fully Differential CMOS Amplifier

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THS4121CDGK - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK  (S-PDSO-G8)
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THS4121CDGK - Texas Instruments  - 3D model - Small Outline Packages - DGK  (S-PDSO-G8)
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THS4121CDGK Details

  • Manufacturer Part Number:

    THS4121CDGK

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • Country Of Origin:

    Thailand

  • 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):

    0.0000012 µA

  • Bandwidth (3dB)-Nom:

    100 MHz

  • Bias Current-Max (IIB) @25C:

    0.0000012 µA

  • Common-mode Reject Ratio-Min:

    64 dB

  • Common-mode Reject Ratio-Nom:

    96 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    8000 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

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • 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:

    55 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    13.5 mA

  • Supply Voltage Limit-Max:

    3.6 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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:

    100000

  • Voltage Gain-Min:

    1000

  • Wideband:

    YES

  • Width:

    3 mm

THS4121CDGK Frequently Asked Questions (FAQs)

  • A good PCB layout for the THS4121CDGK 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 power plane and a solid ground plane is recommended.
  • The choice of gain resistors depends on the desired gain and bandwidth of the amplifier. A higher gain resistor value will result in a higher gain, but may also reduce the bandwidth. TI provides a gain resistor calculator tool to help with the selection.
  • The maximum power dissipation of the THS4121CDGK is 1.4W. However, this can be affected by the ambient temperature, PCB layout, and thermal management. It's essential to ensure proper thermal design and heat sinking to prevent overheating.
  • Yes, the THS4121CDGK can be used as a single-ended amplifier by tying the negative input to ground and using the positive input as the signal input. However, this will reduce the amplifier's common-mode rejection ratio and may affect its noise performance.
  • The THS4121CDGK has a built-in low-pass filter, but additional filtering may be required depending on the application. External filters, such as RC filters or ferrite beads, can be used to filter out high-frequency noise. It's essential to consider the filter's impact on the signal bandwidth and amplitude.

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THS4121CDGK 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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