5P49EE602NLGI Integrated Circuits (ICs)

Ratio - Input:Output:	2:5
Base Part Number:	5P49EE
Supplier Device Package:	24-QFN (4x4)
Package / Case:	24-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	1.71 V ~ 3.465 V
Divider/Multiplier:	Yes/No
Frequency - Max:	120MHz
Differential - Input:Output:	No/Yes
Series:	VersaClock®
Number of Circuits:	1
Output:	LVCMOS, LVTTL
Input:	LVTTL, Crystal
PLL:	Yes with Bypass
Type:	Clock Generator
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
The 5P49EE602NLGI is a highly integrated, programmable PLL device. It consists of a dual-modulus prescaler, charge pump, loop filter, programmable reference divider, programmable feedback divider and digital lock detector, all of which are contained within a single integrated circuit; hence offering high density clock generator solutions.The device is suitable for both high frequency and low frequency applications. At high frequencies, it can generate outputs at up to 1GHz. At lower frequencies, it can generate outputs as low as 1Hz.This high degree of versatility allows the device to generate both internal clocks and external reference clocks that can be used in various applications such as, but not limited to, high speed ASICs, SoCs, FPGAs, PD, embedded systems, and communications systems.Working PrincipleThe 5P49EE602NLGI utilizes a Phase Locked Loop (PLL) which is a phase-aligning device that provides precise phase control and frequency accuracy. The PLL consists of three basic components: a phase detector, a charge pump and a frequency or phase-tracking filter.The phase detector detects the phase difference between its input and its reference clock input and generates an error voltage that is proportional to the phase difference. The charge pump then amplifies the error voltage and passes it to the frequency or phase-tracking filter. The filter removes any jitter (variation in the signal’s phase) and then outputs a new frequency that is closer to the reference frequency.The 5P49EE602NLGI can be configured to generate any output frequency within its range of operation. For example, let’s say we want to generate a frequency of 10MHz. We need to do two things: first we need to set the reference clock input to the desired frequency (in our case, 10MHz), and then we need to set the feedback divider accordingly to generate the desired output (in our case, 10MHz).The device also has several features that can be used for fine tuning the output. These features include spread spectrum, frequency modulation, output inversion, and programmable output enable.ConclusionThe 5P49EE602NLGI is a highly integrated programmable PLL device that provides high precision frequency generation over a wide range of frequencies. This makes it suitable for a variety of applications including, but not limited to, high speed ASICs, SoCs, FPGAs, PD, embedded systems, and communications systems. Its versatility and precision make it an ideal choice for high density clock generator solutions.

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