XLL53V488.800000X

Frequency Stability:	--
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.203" L x 0.132" W (5.15mm x 3.35mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	100mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	±50ppm
Series:	XPRESSO™ FVXO-LC53
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Frequency:	488.8MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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OscillatorsXLL53V488.800000X is a new type of oscillator that has been developed to meet the growing demand for cost efficient and reliable low frequency oscillators. It utilizes a ceramic resonator to attain low frequency and produces an output signal with high levels of frequency stability. The device is a flexible oscillator, maximizing user’s design and system level requirements.Application FieldXLL53V488.800000X is suitable for producing general-purpose and high criticality signals for 3G, 4G, and LTE-based applications. This product can be used for a wide range of digital and analog wireless systems that require low frequency signal oscillators such as mobile handsets, base stations, satellite systems, navigation systems, medical systems and industrial and commercial products. The device is also suitable for producing general-purpose signal oscillation within game consoles, digital televisions, embedded processors and automotive electronics.Working PrincipleThe XLL53V488.800000X oscillator consists of three main components: a resonator, an amplifier, and a comparator. When operating, the oscillator first oscillates at a fixed frequency determined by the resonator. The resonator consists of two discs of piezoelectric material separated by a spacer, which produces a mechanical spring-like coupling.When the oscillator is turned on, a small electric current is applied to the discs and the spacing between them decreases, resulting in the oscillator frequency increasing. As the current continues to increase, the frequency also increases until it reaches a maximum level. The voltage from the signal at this maximum frequency is then amplified by the amplifier.The amplified signal is sent to the comparator, which uses the ambient temperature to set the zero-phase signal level. The comparator then compares the voltage peak of the amplified signal with the ambient temperature and adjusts the frequency output accordingly. The comparator is designed to maintain the frequency within an optimum deviation from the maximum frequency under varying temperatures.In addition, the XLL53V488.800000X also contains surge and thermal protection circuits for stability and reliability in harsh operating environments. The thermal protection circuit limits the amount of heat produced by the oscillator and the surge protection circuit prevents sudden shocks that could damage it.ConclusionThe XLL53V488.800000X is a low frequency oscillator that has the flexibility to meet a wide range of requirements. It produces an output signal with high levels of frequency stability and is designed to maintain the frequency within an optimum deviation from the maximum frequency under varying temperatures. With its thermal and surge protection circuits, the XLL53V488.800000X is capable of working reliably in harsh operating environments. As a result, it is a cost-efficient and reliable option that can be used for many digital and analog wireless systems, as well as game consoles, digital televisions, embedded processors and automotive electronics.

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