8T49N222B-109NLGI

Renesas Electronics America Inc 8T49N222B-109NLGI

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  • 8T49N222B-109NLGI
  • Renesas Electronics America Inc
  • IC TRANSLATOR UNIV FREQ 48VFQFN
  • Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
  • 8T49N222B-109NLGI Datasheet
  • 48-VFQFN Exposed Pad
  • Tray
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 3102
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is 8T49N222B-109NLGI

Renesas Electronics America Inc Part Number 8T49N222B-109NLGI（Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers）, developed and manufactured by Renesas Electronics America Inc, 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.

8T49N222B-109NLGI 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.

8T49N222B-109NLGI Specifications

  • Part Number8T49N222B-109NLGI
  • CategoryClock/Timing - Clock Generators, PLLs, Frequency Synthesizers
  • ManufacturerRenesas Electronics America Inc
  • DescriptionIC TRANSLATOR UNIV FREQ 48VFQFN
  • PackageTray
  • SeriesFemtoClock® NG
  • Type-
  • Voltage - Supply2.375V ~ 3.465V
  • Operating Temperature-40°C ~ 85°C
  • Mounting TypeSurface Mount
  • Package / Case48-VFQFN Exposed Pad
  • Supplier Device Package48-VQFN (7x7)
  • OutputLVDS
  • Frequency - Max156.25MHz
  • Number of Circuits1
  • InputCrystal
  • PLLYes with Bypass
  • Ratio - Input:Output1:2
  • Differential - Input:OutputNo/Yes
  • Divider/MultiplierYes/No

Application of 8T49N222B-109NLGI

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.

8T49N222B-109NLGI Datasheet

8T49N222B-109NLGI Datasheet , Tray,FemtoClock® NG,2.375V ~ 3.465V,-40°C ~ 85°C,Surface Mount,48-VFQFN Exposed Pad,48-VQFN (7x7),LVDS,156.25MHz,1,Crystal,Yes with Bypass,1:2,No/Yes,Yes/No

8T49N222B-109NLGI 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. How does the output frequency of the PLL frequency synthesizer change?

    The core of the PLL frequency synthesizer is to change the output frequency by adjusting the various components in the loop. The basic working principle of the PLL frequency synthesizer is to generate a stable frequency signal through the interaction of the phase detector, loop filter and voltage-controlled oscillator. When the output frequency needs to be changed, the control voltage of the voltage-controlled oscillator can be changed by adjusting the input signal or by an external control signal to adjust its output frequency.

  • 2. 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.

  • 3. What are the three types of frequency synthesizers?

    There are three main types of frequency synthesizers: direct analog frequency synthesis, indirect frequency synthesis, and direct digital frequency synthesis.
    Direct analog frequency synthesis: This method uses one or more different crystal oscillators as reference signal sources to directly generate many discrete frequency output signals through frequency multiplication, frequency division, mixing, etc. The advantages of direct analog frequency synthesis are high long-term and short-term frequency stability and fast frequency conversion speed, but it is difficult to debug and difficult to suppress spurious signals.
    Indirect frequency synthesis: also known as phase-locked loop frequency synthesis technology (PLL), using one or several reference frequency sources, through harmonic generator mixing and frequency division, etc. to generate a large number of harmonics or combined frequencies, and then use a phase-locked loop to lock the frequency of the voltage-controlled oscillator to a certain harmonic or combined frequency. The advantages of indirect frequency synthesis are low cost and the ability to synthesize any frequency, but slow response, mainly used in civilian equipment.
    Direct digital frequency synthesis: This method performs frequency synthesis based on the concept of phase, using digital sampling and storage technology, with the advantages of precise phase and frequency resolution, fast conversion time, etc. The key components of direct digital frequency synthesis include digital-to-analog converters, phase accumulators, and memories, etc., which store the required waveform version in digital format and create signals.

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Renesas Electronics America Inc
Renesas Electronics America Inc
Renesas Electronics America Inc. is a semiconductor manufacturing company that specializes in designing, manufacturing, and selling embedded semiconductor solutions. Renesas Electronics America Inc. is the subsidiary of Renesas Electronics Corporation in the United...
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