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LT1991HMS#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT1991HMS#PBF - Programmable/Variable Amplifier, 1 Channels, 1 Amplifier, 560 kHz, -40 °C, 125 °C, 2.7V to ± 18V

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LT1991HMS#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS 10 MSOP
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LT1991HMS#PBF - Analog Devices  - 3D model - Small Outline Packages - MS 10 MSOP
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LT1991HMS#PBF Details

  • Manufacturer Part Number:

    LT1991HMS#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1661

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.0075 µA

  • Bias Current-Max (IIB) @25C:

    0.005 µA

  • Common-mode Reject Ratio-Min:

    60 dB

  • Common-mode Reject Ratio-Nom:

    70 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    160 µV

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • 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

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    YES

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Min:

    0.08 V/us

  • Slew Rate-Nom:

    0.12 V/us

  • Supply Current-Max:

    0.021 mA

  • Supply Voltage Limit-Max:

    20 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    560

  • Wideband:

    YES

  • Width:

    3 mm

LT1991HMS#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1991HMS involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure stability, it's essential to follow the recommended PCB layout, use the correct output capacitor value, and ensure that the input and output impedance are matched. Additionally, adding a small capacitor (e.g., 10nF) between the output and ground can help prevent oscillations.
  • The maximum power dissipation of the LT1991HMS is dependent on the package type and thermal resistance. For the MSOP package, the maximum power dissipation is approximately 1.4W. To calculate power dissipation, use the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.
  • Yes, the LT1991HMS can be used as a voltage regulator, but it's essential to ensure that the input voltage is within the recommended range, and the output current is within the specified limits. The device is not designed for high-current applications, and the output voltage should be set using an external resistor divider network.
  • To protect the LT1991HMS from input voltage transients and overvoltage conditions, use a voltage clamp or a transient voltage suppressor (TVS) diode at the input. Additionally, consider adding a fuse or a current-limiting resistor to prevent damage from excessive current.

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LT1991HMS#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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