FN3270026

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	25mA
Operating Temperature:	-40°C ~ 85°C
Series:	SaRonix-eCera™ FN
Voltage - Supply:	3.3V
Output:	CMOS
Function:	Enable/Disable
Frequency:	32.768MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Bulk

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Oscillators: FN3270026 Application Field and Working Principle

Oscillators are electronic devices that generate a periodic, oscillating electrical signal without any input. The oscillator frequency is determined by the component characteristics and the tuned circuits. Most oscillators use a mechanical or an electronic tuned circuit to control the frequency. The oscillators are employed in many applications such as radio receivers and transmitters, broadcast television, telemetry, medical imaging, industrial process control, and many other communication and electronics applications. The FN3270026 oscillator is a high-performance PLL-based oscillator that offers low noise, high jitter immunity, and excellent temperature characteristics making it suitable for a variety of applications. The oscillator features superior phase noise characteristics and tight frequency tolerance performance, allowing it to perform synchronous operations at very high speeds. The FN3270026 is compliant with the stringent requirements of communication systems, ultrasonic testing and medical applications.The FN3270026 oscillator consists of four main components: the voltage-controlled oscillator (VCO), the phase-locked loop (PLL), the charge-pump circuit, and the frequency-dividing circuit. The VCO, as the name suggests, is an oscillator that is controlled by a voltage signal. This voltage signal is generated by the PLL which acts as a feedback loop to maintain the VCO\'s frequency. The PLL is composed of two major components: the phase detector and the charge-pump circuit. The phase detector compares the frequencies of the VCO to the input reference clock frequency, and generates a voltage signal that is used to control the VCO. The charge-pump circuit then amplifies this voltage signal and supplies it to the VCO. The frequency-dividing circuit can be used to divide the output of the oscillator by two, four, or eight before being applied to the phase detector to achieve desired frequencies.The FN3270026 oscillator is designed to achieve very low phase noise and low jitter. This is done by carefully designing the PLL, charge-pump, and frequency-divider circuits. The PLL should have low noise components and high stability for accurate synchronization of the output signals. The charge-pump should be fast enough to respond quickly to changing phases and generate sufficient voltage for the VCO. Lastly, the frequency-divider should have sufficient resolution to provide higher clock edges to the phase detector for better frequency control.The FN3270026 oscillator is a high-performance and reliable device suitable for applications such as high-speed communications, medical imaging, and industrial process control. Its low noise, high jitter immunity, and excellent temperature characteristics offer great flexibility for the designer. The oscillator consists of a VCO, PLL, charge-pump circuit, and frequency-dividing circuit which together enable the device to produce signals with very low noise and accurate synchronization.

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