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LM1815M - Texas Instruments

Description: Sensor Interface Low-Vtg Sync Buck Cntlr

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LM1815M - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)_1
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LM1815M - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)_1
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LM1815M Details

  • Manufacturer Part Number:

    LM1815M

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, MS-012AB, SOIC-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    1995-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e0

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    6 mA

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    10 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    20

  • Width:

    3.9 mm

LM1815M Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLVAE04, which includes guidelines for component placement, trace routing, and grounding to minimize noise and ensure optimal performance.
  • The feedback resistors (R1 and R2) should be chosen based on the desired gain and bandwidth of the circuit. A higher gain requires a higher ratio of R2 to R1, while a higher bandwidth requires a lower value of R2. Texas Instruments provides a gain-bandwidth calculator in the LM1815M datasheet to help with this selection.
  • The LM1815M can handle input voltages up to 36V without damage, but the maximum recommended input voltage is 30V to ensure reliable operation and minimize the risk of damage.
  • To ensure proper biasing for single-supply operation, the input signal should be AC-coupled to the LM1815M, and a bias voltage (typically 1/2 of the supply voltage) should be applied to the non-inverting input (pin 3) through a voltage divider or a biasing network.
  • The typical settling time of the LM1815M is around 1-2 microseconds, depending on the gain and bandwidth of the circuit. This settling time can affect the overall system performance, particularly in applications that require fast response times, such as audio or video processing.

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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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