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LTC6420CUDC-20#PBF - Analog Devices

Description: High Speed Operational Amplifiers Dual Matched 1.8GHz Differential Amplifiers/ADC Drivers

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LTC6420CUDC-20#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC6420CUDC-20#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead Plastic QFN (3mm × 4mm)
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3D Models
LTC6420CUDC-20#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 20-Lead Plastic QFN (3mm × 4mm)
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LTC6420CUDC-20#PBF Details

  • Manufacturer Part Number:

    LTC6420CUDC-20#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    3 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1742

  • 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

  • Common-mode Reject Ratio-Min:

    45 dB

  • Common-mode Reject Ratio-Nom:

    68 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    2000 µV

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.12X.16,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, 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-Nom:

    4500 V/us

  • Supply Current-Max:

    95 mA

  • Supply Voltage Limit-Max:

    3.6 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Wideband:

    NO

  • Width:

    3 mm

LTC6420CUDC-20#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC6420 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the device close to the input and output capacitors. A 4-layer PCB with a dedicated ground plane is recommended. Additionally, the datasheet provides a recommended PCB layout and land pattern that should be followed.
  • To ensure stability, the LTC6420 requires a minimum output capacitance of 10nF, and the output capacitor should be placed close to the device. Additionally, the input and output resistors should be chosen to ensure that the device is operated within its stable region. The datasheet provides a stability analysis and guidelines for selecting the output capacitor and resistors.
  • The maximum power dissipation of the LTC6420 is dependent on the operating temperature and the package type. For the UD package, the maximum power dissipation is 1.4W at 25°C, and it decreases as the temperature increases. The datasheet provides a power dissipation vs. temperature graph that should be consulted to ensure the device is operated within its safe operating area.
  • While the LTC6420 can be used as a voltage regulator, it is not recommended as it is not designed for that purpose. The device is optimized for high-speed, low-noise amplification, and its output stage is not designed to handle high currents or large output capacitors. If a voltage regulator is needed, a dedicated voltage regulator IC should be used.
  • The LTC6420 has built-in ESD protection, but additional protection measures can be taken to ensure the device is protected from ESD and overvoltage. These include using ESD protection diodes, TVS diodes, and overvoltage protection circuits. The datasheet provides guidelines for ESD protection and overvoltage protection.

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LTC6420CUDC-20#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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