LMX2541SQE3740E/NOPB

National Semiconductor LMX2541SQE3740E/NOPB

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  • LMX2541SQE3740E/NOPB
  • National Semiconductor
  • LMX2541 ULTRA-LOW NOISE PLLATINU
  • Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
  • LMX2541SQE3740E/NOPB Datasheet
  • 36-WFQFN Exposed Pad
  • Bulk
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 13167
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is LMX2541SQE3740E/NOPB

National Semiconductor Part Number LMX2541SQE3740E/NOPB（Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers）, developed and manufactured by National Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

LMX2541SQE3740E/NOPB is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

LMX2541SQE3740E/NOPB Specifications

  • Part NumberLMX2541SQE3740E/NOPB
  • CategoryClock/Timing - Clock Generators, PLLs, Frequency Synthesizers
  • ManufacturerNational Semiconductor
  • DescriptionLMX2541 ULTRA-LOW NOISE PLLATINU
  • PackageBulk
  • Series-
  • TypeFrequency Synthesizer (RF)
  • Voltage - Supply3.15V ~ 3.45V
  • Operating Temperature-40°C ~ 85°C
  • Mounting TypeSurface Mount
  • Package / Case36-WFQFN Exposed Pad
  • Supplier Device Package36-WQFN (6x6)
  • OutputClock
  • Frequency - Max4GHz
  • Number of Circuits1
  • InputClock
  • PLLYes
  • Ratio - Input:Output2:2
  • Differential - Input:OutputNo/No
  • Divider/MultiplierYes/No

Application of LMX2541SQE3740E/NOPB

Clock Generators are widely used in computer chips, digital circuits, radio communication, audio and video equipment and other electronic equipment. The clock signal generated by it is the basis for the normal operation of these devices, ensuring the stable transmission and processing of data. PLL (phase-locked Loop) is mainly used to detect and track the frequency and Phase of the input signal and convert it into a stable output signal. It can change the frequency of the input signal to achieve a specific purpose, such as signal synchronization, frequency conversion, etc. Frequency Synthesizers generate a series of high-precision frequency sources with a certain frequency interval through synthesis technology to provide the required frequency signals for various electronic devices. It is widely used in applications requiring accurate frequency control, such as radar, communications, electronic countermeasures and other fields.

LMX2541SQE3740E/NOPB Datasheet

LMX2541SQE3740E/NOPB Datasheet , Bulk,Frequency Synthesizer (RF),3.15V ~ 3.45V,-40°C ~ 85°C,Surface Mount,36-WFQFN Exposed Pad,36-WQFN (6x6),Clock,4GHz,1,Clock,Yes,2:2,No/No,Yes/No

LMX2541SQE3740E/NOPB Classification

Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

Clock Generators are circuits or devices used to generate stable and precise pulses of electrical signals. The clock signal generated by it provides a unified time benchmark for various electronic devices, ensuring that the components of the device can synchronize operations and actions.PLL (Phase Locked Loop and phase-locked Loop) is a kind of circuit is used to control the frequency and Phase. It can convert the frequency and phase of an input signal into the frequency and phase of another output signal to realize the synchronization of frequency and phase. Frequency Synthesizers are devices that use one or more standard signals to generate a large number of discrete frequency signals through various technical approaches. It can realize precise control and adjustment of frequency to meet the needs of different application scenarios.

FAQ about Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

  • 1. Which is better, direct digital synthesis or PLL?

    Direct digital synthesis (DDS) and PLL each have their own advantages and disadvantages. Choosing which one is better depends on the specific application requirements. DDS performs well in frequency switching speed and high resolution, while PLL has more advantages in phase noise and spurious performance.
    The advantages of DDS include:
    High frequency switching speed: DDS works in the digital domain. Once the frequency control word is updated, the output frequency changes accordingly, and the frequency hopping rate is high.
    High resolution: Due to the large width of the frequency control word (such as 48bit or higher), the frequency resolution is high.
    Flexibility: DDS can generate any desired waveform and initial phase, suitable for applications requiring a wide range of scenarios.
    PLL advantages include:
    Low phase noise: PLL excels in low phase noise and low spurious performance, suitable for applications requiring high stable frequency.
    Wide frequency range: The upper limit of the PLL output frequency depends on the upper limit of the VCO, which can support a wider frequency range.

  • 2. How does PLL increase frequency?

    PLL (phase-locked loop) is usually used to increase or decrease the frequency of a signal. Increasing the frequency usually involves increasing the value of the feedback divider, while decreasing the frequency involves increasing or adjusting the gain followed by a divider.

  • 3. Why do clocks use PLL?

    The reason why clocks use PLL is because PLL can provide a stable high-frequency clock signal to ensure the precise operation and synchronization of electronic systems. PLL (Phase Locked Loop) compares the phase difference between the input signal and the output signal generated by the voltage-controlled oscillator (VCO) and adjusts the frequency of the VCO so that the phase of the output signal is synchronized with the phase of the input signal. This synchronization process is achieved through a closed-loop feedback system, which ensures the stability and accuracy of the clock signal.
    The main functions of PLL include:
    Providing a stable high-frequency clock signal: PLL generates a stable high-frequency clock based on the reference clock provided by the oscillator to ensure stable circuit timing.
    Frequency synthesis: PLL can multiply or divide the frequency of the input signal to generate a clock signal of the required frequency.
    Phase control: By adjusting the phase of the output signal, it ensures synchronization with the input signal and reduces phase deviation.
    In modern electronic systems, the role of clock signals is very important. It is not only used to synchronize the operation of various components and ensure that key time parameters are within the allowable range, but also regulates the connection speed of data transmission in communication systems. The application of PLL ensures the accuracy and stability of the clock signal and improves the performance and reliability of the entire system.

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National Semiconductor
National Semiconductor
On April 4, 2011, TI acquired National Semiconductor.
National Semiconductor is a well-known semiconductor company in the field of analog power management technology.
National Semiconductor was founded on May 27, 1959. Its headquarters is located in California,...
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