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LMK04805BISQ/NOPB - Texas Instruments

Description: Low Noise Clock Jitter Cleaner With Dual Cascaded PLLs and Integrated 2.2 GHz VCO

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LMK04805BISQ/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LMK04805BISQ/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NKD0064A,
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3D Models
LMK04805BISQ/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - NKD0064A,
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LMK04805BISQ/NOPB Details

  • Manufacturer Part Number:

    LMK04805BISQ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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:

    2370 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:

    Matte 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

LMK04805BISQ/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines for clock signals.
  • The LMK04805BISQ/NOPB has a complex configuration process that involves setting multiple registers. Texas Instruments provides a Clock Design Tool that can help generate the necessary configuration code for a specific clock frequency output.
  • The LMK04805BISQ/NOPB can generate clock frequencies up to 3072 MHz, but 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 follow proper PCB design and layout guidelines, use a high-quality external clock source, and configure the device correctly. Additionally, the LMK04805BISQ/NOPB has built-in features such as noise filtering and phase-locked loop (PLL) bandwidth adjustment to help minimize jitter.
  • Yes, the LMK04805BISQ/NOPB can be used in a redundant clocking system, thanks to its ability to accept multiple input clocks and automatically switch to a backup clock in case of a failure. This feature is particularly useful in high-reliability applications such as telecommunications and aerospace.

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LMK04805BISQ/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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