SIT3809AC-2-25SG

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	70µA
Height:	0.031" (0.79mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	36mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SiT3809
Voltage - Supply:	2.5V
Output:	LVCMOS, LVTTL
Function:	Standby
Available Frequency Range:	80MHz ~ 220MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators: SIT3809AC-2-25SG

Programmable oscillators are frequency-controlled instruments that can be adjusted, or programmed, to produce an exact output frequency. This type of oscillator has been used in various applications, such as radio communications, radar, and audio equipment, where the frequency of the oscillator can be precisely controlled or adjusted. Many of these applications require an oscillator that is fast, accurate, and stable with low power consumption, making programmable oscillators an important component. The SiTime SIT3809AC-2-25SG is specifically designed for these demanding applications.

Features of SIT3809AC-2-25SG

The SiTime SIT3809AC-2-25SG is a programmable oscillator that is ideal for applications in which accuracy, stability, and low power consumption are critical. This oscillator has an output frequency range of 4 KHz to 25 MHz and is programmable with a single crystal. It provides excellent accuracy of ±100 ppm and a sub-microsecond jitter of 0.7 ps rms. Its low power consumption of only 6 mW makes it suitable for battery-powered devices and energy-efficient systems. It is also RoHS compliant meaning it can be used in a variety of environments.

Working Principle of SIT3809AC-2-25SG

The working principle of a programmable oscillator is based on frequency synthesis. This involves using a synthesizer chip to generate a signal at a target frequency by dividing a higher frequency clock signal. The SIT3809AC-2-25SG uses this approach to generate a signal at any of the specified frequencies. It utilizes an internal phase-locked loop (PLL) and programmable dividers to produce the target frequency. When a clock signal is supplied, the internal components of the oscillator, such as the PLL and the dividers, are used to divide the clock signal until the desired frequency is reached.

Applications of SIT3809AC-2-25SG

The SiTime SIT3809AC-2-25SG is a versatile programmable oscillator that can be used in a wide range of applications. It is suitable for radio communications, radar systems, audio equipment, satellite systems, and data acquisition systems. It can be used in both mobile and stationary devices, since it is energy-efficient and RoHS compliant. In addition, it can be used in systems where accuracy and low jitter are paramount, such as military systems, medical systems, and test and measurement equipment.

Conclusion

The SiTime SIT3809AC-2-25SG is a programmable oscillator that can be used in various applications where accurate, low-jitter frequency synthesis is required. It is designed to provide excellent accuracy and stability as well as low power consumption. With its wide output frequency range, RoHS compliance, and small size, it is ideal for mobile, battery-powered systems, as well as high-end applications in military, medical, and test and measurement systems.

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