SIT3809AI-D-28EZ

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	70µA
Height:	0.039" (1.00mm)
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):	36mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT3809
Voltage - Supply:	2.8V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
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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Introduction

Programmable oscillators are versatile electronic components which allow the user to customize their circuit to fit any specific application requirements. The SIT3809AI-D-28EZ is a Programmable Oscillator from SiTime Corporation that is specifically designed to provide ultra-precise timing solutions for digital and analog applications. This article will discuss the application field and working principle of the SIT3809AI-D-28EZ.

Application Field of SIT3809AI-D-28EZ Programmable Oscillator

The SIT3809AI-D-28EZ is designed to provide highly precise and stable timing solutions for a wide range of applications. It can be used in digital clocks, digital data converters, consumer electronics, automotive consumer electronics, satellite communications, and military applications. One of the unique features of the SIT3809AI-D-28EZ is its ability to accurately track temperature changes in the circuit. This is due to the use of the SIT3809QV transistors which are designed to keep track of environmental changes and help maintain exceptional accuracy. Additionally, the SIT3809AI-D-28EZ is also capable of providing multiple output frequencies, making it suitable for applications which require simultaneous operation of multiple functions.

Working Principle of SIT3809AI-D-28EZ Programmable Oscillator

The SIT3809AI-D-28EZ Programmable Oscillator works by using an oscillator circuit, also known as a resonator, which is connected to a feedback loop. This loop is used to adjust the frequency of the resonator in order to maintain a desired output frequency. The oscillator circuit consists of an inductor, a capacitor, and a MOSFET transistor. The inductor, capacitor, and MOSFET form an LC circuit, which is then connected to the feedback loop. The MOSFET is used to control the voltage across the LC circuit, allowing the oscillator to be adjusted to the desired frequency.Once the feedback loop is connected, the SIT3809AI-D-28EZ is able to constantly adjust the voltage across the LC circuit to maintain the desired frequency. In addition to being able to maintain precise frequencies, the SIT3809AI-D-28EZ is also capable of providing multiple output frequencies, making it suitable for applications which require simultaneous operation of multiple functions.

Conclusion

The SIT3809AI-D-28EZ Programmable Oscillator is a versatile and reliable electronic component that can be used in a wide range of applications. It provides precise and stable timing solutions, and is capable of providing multiple output frequencies. Furthermore, its ability to accurately track temperature changes in the circuit makes it ideal for applications which require precise timing in extreme environments.

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