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LTC2757AILX#PBF - Analog Devices

Description: Digital to Analog Converters - DAC 18-Bit Parallel Iout DAC with Softspan (1LSB INL)

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LTC2757AILX#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC2757AILX#PBF - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - LX Package 48-Lead Plastic LQFP (7mm × 7mm)
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LTC2757AILX#PBF - Analog Devices - 3D model - Quad Flat Packages - LX Package 48-Lead Plastic LQFP (7mm × 7mm)
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LTC2757AILX#PBF Details

  • Manufacturer Part Number:

    LTC2757AILX#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    7 X 7 MM, LEAD FREE, PLASTIC, MS-026, LQFP-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    05-08-1760

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Output Voltage-Max:

    10 V

  • Analog Output Voltage-Min:

    -10 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0004%

  • Moisture Sensitivity Level:

    3

  • Number of Bits:

    18

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Settling Time-Nom (tstl):

    2.1 µs

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

LTC2757AILX#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2757AILX#PBF involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the bypass capacitors. Additionally, it's recommended to use a Kelvin connection for the sense lines and to keep the high-frequency signals away from the sensitive analog nodes.
  • To ensure the accuracy of the DAC output voltage, it's essential to use a high-accuracy voltage reference, such as the internal 2.5V reference or an external precision reference. Additionally, the output voltage should be buffered with an op-amp to minimize loading effects, and the output impedance should be matched to the load impedance to prevent voltage division.
  • The maximum clock frequency that can be used with the LTC2757AILX#PBF is 50MHz. However, the actual clock frequency used should be determined by the specific application requirements and the desired settling time of the DAC output.
  • The POR and BOR in the LTC2757AILX#PBF can be handled by using an external reset circuit that holds the device in reset until the power supply has stabilized. Additionally, the device can be configured to automatically reset on power-up or brown-out conditions, ensuring that the device starts up in a known state.
  • The recommended method for calibrating the LTC2757AILX#PBF involves using the device's internal calibration registers to trim the DAC output voltage. The calibration process typically involves applying a known input code and measuring the resulting output voltage, then adjusting the calibration registers to achieve the desired output voltage.

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LTC2757AILX#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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Part Image LTC2757AILX#PBF Linear Technology

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