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LMK04821NKDR - Texas Instruments

Description: Clock Synthesizer/Jitter Cleaner Ultra Low Jitter Synth&Jitter Cleaner

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PCB Footprints
LMK04821NKDR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NKD0064A 2021
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3D Models
LMK04821NKDR - Texas Instruments  - 3D model - Quad Flat No-Lead - NKD0064A 2021
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LMK04821NKDR Details

  • Manufacturer Part Number:

    LMK04821NKDR

  • 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:

    2075 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:

    40 MHz

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    665 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

LMK04821NKDR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the LMK04821 evaluation module documentation, which includes guidelines for component placement, routing, and grounding to minimize noise and ensure optimal performance.
  • The LMK04821NKDR can be configured using the SPI interface to output a specific clock frequency. The device has a range of output frequencies from 10 MHz to 3072 MHz, and the configuration process involves setting the desired frequency using the SPI commands and registers outlined in the datasheet.
  • The maximum power consumption of the LMK04821NKDR is approximately 1.2 W, depending on the output frequency and load conditions. However, the typical power consumption is around 0.8 W, making it a relatively low-power device.
  • Yes, the LMK04821NKDR can be used in a redundant clocking system. 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.
  • The LMK04821NKDR has a phase noise performance of -143 dBc/Hz at 10 kHz offset from a 100 MHz carrier frequency. This makes it suitable for applications requiring low phase noise, such as wireless infrastructure and high-speed data converters.

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LMK04821NKDR 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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