550CE80M0000DG

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	75mA
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	98mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±25ppm
Series:	Si550
Voltage - Supply:	3.3V
Output:	CMOS
Function:	Enable/Disable
Frequency:	80MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Oscillators

Oscillators are electrical or electronic circuits which generate periodic, oscillating signals. The most common type of oscillator is a resonant, or tuned, circuit consisting of capacitors and inductors. Oscillators are used in electronic devices such as radios, televisions, and stereos and are also used to create high frequency signals for test equipment, digital circuits, and communications systems. The 550CE80M0000DG Oscillator is a type of oscillator designed for use in precision timing and frequency control applications.

550CE80M0000DG Application Field

The 550CE80M0000DG Oscillator is a CMOS programmable oscillator designed to meet the highest levels of accuracy in a wide range of applications. It is suitable for use in computers and communication systems as well as test and automation equipment, medical equipment, and automotive-driven systems. The 550CE80M0000DG is available in a variety of package types and offers a wide frequency range of 1Hz to 70MHz. The 550CE80M0000DG offers a precision frequency switchable output, and is compatible with positive or negative edge triggering. It is designed with an on-chip EEPROM which can be used for setting parameters such as frequency, output levels, and power-saving features.

550CE80M0000DG Working Principle

The 550CE80M0000DG Oscillator employs a Phase Locked Loop (PLL) to generate precise timing signals with extremely low jitter and phase noise. The PLL consists of a phase detector, a voltage controlled oscillator (VCO), and a frequency divider that together form a feedback loop. The phase detector is a circuit that produces an output voltage that is proportional to the difference in phases between an external reference signal and the VCO output. When the two signals are out of phase, the phase detector produces an output voltage to the VCO, causing it to adjust its amplitude or frequency. Once in phase, the output of the phase detector stabilizes and the VCO generates the desired output frequency. The frequency divider feeds back part of the VCO output to the phase detector, thus forming a closed loop and completing the PLL circuit.

Conclusion

The 550CE80M0000DG Oscillator is a state-of-the-art CMOS device designed to meet the highest levels of precision for a wide variety of timing and frequency control applications. It employs a Phase Locked Loop (PLL) and on-chip EEPROM to produce accurate, low-jitter signals with an output range of 1Hz to 70MHz. The 550CE80M0000DG is not only compatible with positive and negative edge triggering, but also offers flexibility for setting parameters such as frequency, output levels, and power-saving features. Because of its high levels of performance and flexibility, the 550CE80M0000DG is an ideal solution for modern communication and test systems.

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