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LTC6254CMS#PBF - Analog Devices

Description: The LTC®6252/LTC6253/LTC6254 are single/dual/quad low power, high speed unity gain stable rail-to-rail input/output operational amplifiers. On only 3.5mA of supply current they feature a 720MHz gain-bandwidth product, 280V/μs slew rate and a low 2.75nV/√Hz of input-referred noise. The combination of high bandwidth, high slew rate, low power consumption and low broadband noise makes the LTC6252 family unique among rail-to-rail input/output op amps with similar supply currents. They are ideal for lower supply

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LTC6254CMS#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 16-Lead Plastic MSOP
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LTC6254CMS#PBF - Analog Devices - 3D model - Small Outline Packages - 16-Lead Plastic MSOP
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LTC6254CMS#PBF Details

  • Manufacturer Part Number:

    LTC6254CMS#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1669

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.7 µA

  • Bias Current-Max (IIB) @25C:

    2.5 µA

  • Common-mode Reject Ratio-Min:

    77 dB

  • Common-mode Reject Ratio-Nom:

    105 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    1400 µV

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    170 V/us

  • Supply Current-Max:

    22 mA

  • Supply Voltage Limit-Max:

    5.5 V

  • Supply Voltage-Nom (Vsup):

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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:

    630000

  • Voltage Gain-Min:

    1800

  • Wideband:

    YES

  • Width:

    3 mm

LTC6254CMS#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC6254 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. Refer to the Analog Devices application note AN137 for more details.
  • The choice of output filter components (Rout, Cout, and Lout) depends on the desired output impedance, noise rejection, and stability. A good starting point is to use the values recommended in the datasheet, and then adjust them based on simulation and measurement results. The ADI Filter Wizard tool can also be used to help with component selection.
  • The maximum power dissipation of the LTC6254 is dependent on the package type and ambient temperature. For the MSOP package, the maximum power dissipation is 1.4W at 25°C. To ensure the device doesn't overheat, use a heat sink, keep the ambient temperature low, and avoid high input voltages and output currents. The thermal resistance of the package and the PCB layout also play a crucial role in heat dissipation.
  • Yes, the LTC6254 can be used as a unity-gain buffer. However, the device has a limited output current capability, so it's essential to ensure the output current is within the specified range. Additionally, the input and output impedance matching is critical to maintain stability and prevent oscillations. A resistive feedback network may be required to achieve stability.
  • To troubleshoot oscillations or instability issues with the LTC6254, start by checking the PCB layout, ensuring that the input and output traces are short and separate, and the bypass capacitors are properly placed. Next, verify that the output filter components are correctly selected and implemented. If the issue persists, try adding a resistive feedback network or a capacitor in parallel with the output to improve stability.

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LTC6254CMS#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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