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LT1491AHS#PBF - Analog Devices

Description: Operational Amplifiers - Op Amps 4x Over-The-Top uP R2R In & Out Op Amps

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LT1491AHS#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S Package 14-Lead Plastic Small Outline (Narrow .150 Inch)
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LT1491AHS#PBF - Analog Devices  - 3D model - Small Outline Packages - S Package 14-Lead Plastic Small Outline (Narrow .150 Inch)
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LT1491AHS#PBF Details

  • Manufacturer Part Number:

    LT1491AHS#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.150 INCH, LEAD FREE, PLASTIC, SOP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    05-08-1610 (S14)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.02 µA

  • Common-mode Reject Ratio-Nom:

    72 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    3200 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    8.649 mm

  • Low-Bias:

    YES

  • Low-Offset:

    YES

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -22 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    4

  • 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):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.752 mm

  • Slew Rate-Min:

    0.02 V/us

  • Slew Rate-Nom:

    0.07 V/us

  • Supply Current-Max:

    0.055 mA

  • Supply Voltage Limit-Max:

    22 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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    200

  • Voltage Gain-Min:

    25000

  • Wideband:

    NO

  • Width:

    3.899 mm

LT1491AHS#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1491AHS involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended compensation network, use a minimum output capacitance of 10uF, and avoid capacitive loads. Also, ensure that the input and output voltages are within the recommended operating range.
  • The maximum power dissipation of the LT1491AHS is 1.4W. However, this can be affected by the ambient temperature, PCB layout, and airflow. It's essential to calculate the power dissipation based on the specific application and ensure that it's within the recommended limits.
  • The LT1491AHS is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's essential to consider the temperature derating and ensure that the device is operated within the recommended temperature range.
  • To protect the LT1491AHS from overvoltage and overcurrent, use a voltage regulator with overvoltage protection, add a current-limiting resistor in series with the output, and consider using a fuse or a current-sensing resistor to detect overcurrent conditions.

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LT1491AHS#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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