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LF298M - Texas Instruments

Description: TEXAS INSTRUMENTS - LF298M - IC,Sample/Track-and-Hold Amplifier,SINGLE,BIPOLAR/JFET,SOP,14PIN,PLASTIC

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LF298M - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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LF298M - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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LF298M Details

  • Manufacturer Part Number:

    LF298M

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    1993-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Acquisition Time-Max:

    25 µs

  • Acquisition Time-Nom:

    20 µs

  • Amplifier Type:

    SAMPLE AND HOLD CIRCUIT

  • Analog Input Voltage-Max:

    11.5 V

  • Analog Input Voltage-Min:

    -11.5 V

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e0

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.75 mm

  • Subcategory:

    Sample and Hold Circuit

  • Supply Current-Max:

    5.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.9 mm

LF298M Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LF298M is 36V, but it's recommended to keep it below 30V for reliable operation.
  • To ensure stability, a minimum output capacitance of 10uF is required, and the ESR (Equivalent Series Resistance) should be between 0.5 ohms and 10 ohms. Additionally, a 1uF capacitor on the input pin is recommended to filter out noise.
  • The dropout voltage of the LF298M is typically around 2V, which means the input voltage should be at least 2V higher than the output voltage for proper regulation.
  • The LF298M is designed for low-current applications up to 50mA. For high-current applications, it's recommended to use a different voltage regulator, such as the LM317 or LM338, which can handle higher currents.
  • The output voltage of the LF298M can be adjusted by using a resistive divider network between the output pin and the adjust pin. The ratio of the resistors determines the output voltage, which can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal reference voltage (2.5V).

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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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