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LMP8481AHQDGKRQ1 - Texas Instruments

Description: Automotive 76-V, Bi-Directional, High-Side, High-Speed, Voltage Output Current Sensing Amplifier

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LMP8481AHQDGKRQ1 Details

  • Manufacturer Part Number:

    LMP8481AHQDGKRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2016-07-13

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    12 µA

  • Common Mode Voltage-Max:

    76 V

  • Common-mode Reject Ratio-Min:

    100 dB

  • Common-mode Reject Ratio-Nom:

    124 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    265 µV

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °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:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    1 V/us

  • Supply Current-Max:

    0.155 mA

  • Supply Voltage Limit-Max:

    85 V

  • Supply Voltage-Nom (Vsup):

    16 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    270

  • Voltage Gain-Min:

    99.2

  • Voltage Gain-Nom:

    100

  • Wideband:

    NO

  • Width:

    3 mm

LMP8481AHQDGKRQ1 Frequently Asked Questions (FAQs)

  • A good PCB layout for the LMP8481AHQDGKRQ1 involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the input and output capacitors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. A minimum of 10uF input and output capacitors with low ESR (< 100mΩ) are recommended.
  • The LMP8481AHQDGKRQ1 can handle a maximum input voltage of 42V. However, it's recommended to operate the device within the specified input voltage range of 2.7V to 36V for optimal performance and reliability.
  • The output voltage of the LMP8481AHQDGKRQ1 can be calculated using the following formula: Vout = (R1/R2) * (Vin - Vref), where R1 and R2 are the feedback resistors, Vin is the input voltage, and Vref is the reference voltage (1.21V for the LMP8481AHQDGKRQ1).
  • The thermal derating curve for the LMP8481AHQDGKRQ1 is not explicitly provided in the datasheet. However, as a general guideline, the device's power dissipation should be derated by 50% for every 10°C increase in ambient temperature above 25°C.

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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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