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LT1491ACDHC#PBF - Analog Devices

Description: ANALOG DEVICES - LT1491ACDHC#PBF - Operational Amplifier, 4 Amplifier, 200 kHz, 0.07 V/µs, ± 1.25V to ± 22V, 2V to 44V, DFN, 16 Pins

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LT1491ACDHC#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - LT1491ACDHC#PBFaa
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LT1491ACDHC#PBF Details

  • Manufacturer Part Number:

    LT1491ACDHC#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 3 MM, 0.80 MM HEIGHT, LEAD FREE, PLASTIC, MO229WJED-1, DFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1706

  • 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):

    0.008 µA

  • Common-mode Reject Ratio-Min:

    80 dB

  • Common-mode Reject Ratio-Nom:

    98 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    1500 µV

  • JESD-30 Code:

    R-PDSO-N16

  • JESD-609 Code:

    e3

  • Length:

    5 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:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC16,.12,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 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:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    200

  • Voltage Gain-Min:

    75000

  • Wideband:

    NO

  • Width:

    3 mm

LT1491ACDHC#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1491 involves keeping the input and output traces short and separate, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer board with a dedicated analog ground plane is recommended.
  • To ensure stability, make sure to follow the recommended compensation network, use a low-ESR output capacitor, and avoid capacitive loads. Also, ensure that the input and output voltages are within the recommended operating range.
  • The maximum power dissipation of the LT1491 is dependent on the package and the ambient temperature. For the DHC package, the maximum power dissipation is 1.4W at 25°C ambient temperature. However, it's recommended to derate the power dissipation based on the ambient temperature and the thermal resistance of the package.
  • Yes, the LT1491 can be used as a unity-gain buffer. However, it's recommended to add a compensation capacitor between the output and the inverting input to ensure stability. The value of the capacitor depends on the output capacitor and the load resistance.
  • To protect the LT1491 from overvoltage, use a voltage clamp or a transient voltage suppressor (TVS) at the input. For ESD protection, use a TVS or a diode array at the input. Also, follow proper handling and storage procedures to prevent ESD damage.

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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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