Microchip Technology PL602081UMG-TR
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- PL602081UMG-TR
- Microchip Technology
- IC CLK SYNTHESIZER DUAL 44QFN
- Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
- PL602081UMG-TR Datasheet
- 44-VFQFN Exposed Pad
- Bulk
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Lead free / RoHS Compliant - 19738
- Spot Inventory / Athorized Dstributor / Factory Excess Stock
- 1 year quality assurance 》
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What is PL602081UMG-TR
Microchip Technology Part Number PL602081UMG-TR（Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers）, developed and manufactured by Microchip Technology, 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.
PL602081UMG-TR 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.
PL602081UMG-TR Specifications
- Part NumberPL602081UMG-TR
- CategoryClock/Timing - Clock Generators, PLLs, Frequency Synthesizers
- ManufacturerMicrochip Technology
- DescriptionIC CLK SYNTHESIZER DUAL 44QFN
- PackageBulk
- Series-
- Type-
- Voltage - Supply2.375V ~ 3.465V
- Operating Temperature-40°C ~ 85°C
- Mounting TypeSurface Mount
- Package / Case44-VFQFN Exposed Pad
- Supplier Device Package44-QFN (7x7)
- OutputHCSL
- Frequency - Max200MHz
- Number of Circuits1
- InputLVCMOS, Crystal
- PLLYes with Bypass
- Ratio - Input:Output2:8
- Differential - Input:OutputNo/Yes
- Divider/MultiplierNo/No
Application of PL602081UMG-TR
PL602081UMG-TR Datasheet
PL602081UMG-TR Datasheet , Bulk,2.375V ~ 3.465V,-40°C ~ 85°C,Surface Mount,44-VFQFN Exposed Pad,44-QFN (7x7),HCSL,200MHz,1,LVCMOS, Crystal,Yes with Bypass,2:8,No/Yes,No/No
PL602081UMG-TR Classification
Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
FAQ about Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
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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.
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2. How does Phase-locked loops（PLL） work?
PLL (phase locked loop) is a feedback control circuit that continuously adjusts the frequency and phase of the internal oscillation signal to synchronize with the input reference signal by comparing the phase difference between the input signal and the feedback signal. PLL is mainly composed of phase detector (PD), loop filter (LF), voltage controlled oscillator (VCO) and optional divider (Divider).
When PLL starts working, the frequency of input reference signal is always different from the inherent oscillation frequency of voltage controlled oscillator, resulting in constant phase difference. The error voltage output by the phase detector is converted into a control voltage through a loop filter and added to the voltage-controlled oscillator, so that its frequency is gradually adjusted to synchronize with the input reference signal and enter the "locked" state. If the frequency and phase of the input reference signal change, the PLL controls the frequency and phase of the voltage-controlled oscillator to track the changes of the input reference signal and re-enter the locked state. -
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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