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LMK04808BISQE/NOPB - Texas Instruments

Description: Low-Noise Clock Jitter Cleaner with Dual Loop PLLs and Integrated 2.9 GHz VCO

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LMK04808BISQE/NOPB - Texas Instruments - PCB symbol
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LMK04808BISQE/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NKD0064A-
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LMK04808BISQE/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - NKD0064A-
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LMK04808BISQE/NOPB Details

  • Manufacturer Part Number:

    LMK04808BISQE/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    64

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • JESD-30 Code:

    S-XQCC-N64

  • JESD-609 Code:

    e3

  • Length:

    9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Clock Frequency-Max:

    3072 MHz

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Primary Clock/Crystal Frequency-Nom:

    20.5 MHz

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    590 mA

  • Supply Voltage-Max:

    3.45 V

  • Supply Voltage-Min:

    3.15 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    9 mm

  • uPs/uCs/Peripheral ICs Type:

    CLOCK GENERATOR, OTHER

LMK04808BISQE/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LMK04808BISQE/NOPB involves separating the analog and digital grounds, using a solid ground plane, and placing the device close to the clock source. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • The LMK04808BISQE/NOPB can be configured using the SPI interface. The device has a set of registers that can be programmed to set the clock frequency, output format, and other parameters. The specific configuration will depend on the application requirements and can be found in the device's datasheet and programming guide.
  • The LMK04808BISQE/NOPB can generate clock frequencies up to 3072 MHz. However, the maximum frequency may be limited by the specific application and the quality of the external clock source.
  • To ensure low jitter, it's essential to use a high-quality external clock source, such as a crystal oscillator or a high-stability oscillator. Additionally, the PCB layout should be designed to minimize noise and ensure a clean power supply. The device's internal PLL can also be optimized for low jitter by adjusting the loop bandwidth and damping factor.
  • Yes, the LMK04808BISQE/NOPB can be used in a redundant clocking system for high-reliability applications. The device has a built-in clock redundancy feature that allows it to automatically switch to a backup clock source in case of a failure. This feature can be enabled through the SPI interface.

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LMK04808BISQE/NOPB Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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