SIT9005ACU1G-28DA

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	6.5mA
Spread Spectrum Bandwidth:	-0.25%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	2.8V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Programmable Oscillators: SIT9005ACU1G-28DA Application Field and Working Principle

Programmable Oscillators are specialized timing devices for electronically controlling the various data and clock signals used in modern telecommunications and signal processing applications. The SIT9005ACU1G-28DA is an example of one such device, combining the stability of quartz crystal chemistry with a simple, easy-to-use digital programming interface.A Programmable Oscillator is an electronic component used to generate and control electronic signals through oscillator circuits. Oscillator circuits are composed of active electronic components such as transistors and capacitors, which operate together to generate an oscillator signal on an output port. This oscillator signal is responsible for controlling the frequency and phase of the signal applied to the output port. With the SIT9005ACU1G-28DA, the frequency range of the oscillator is adjustable from 5 to 259MHz and the phase can be adjusted from 0 to 315 degrees.The SIT9005ACU1G-28DA is a crystal-based oscillator with a wide range of application possibilities. It is highly recommended for use in precision timing applications, as its frequency stability is greater than most quartz crystal oscillators available on the market.The SIT9005ACU1G-28DA also incorporates a number of features that make it a desirable component in many applications. It has an integrated voltage-controlled oscillator stage, which allows for accurate and efficient frequency control over a wide range of input voltages. Additionally, it has a wide selection of programmable options such as power supply voltage, frequency range, and startup delay, which make it suitable for use in a variety of applications.The working principle behind the SIT9005ACU1G-28DA is quite simple. It utilizes a quartz crystal oscillator, which operates based on the piezoelectric effect. This effect is caused by the interaction between electrical signals and vibrations within the crystal, resulting in the formation of an oscillating waveform. When the quartz crystal is energized by the oscillator circuit, it begins to vibrate at its fundamental frequency, which is translated into a corresponding output frequency on the output port of the oscillator.The SIT9005ACU1G-28DA can be used in a variety of applications, including frequency and time division multiplexers, radio communication and TV broadcast systems, mobile radio receivers, GPS systems, and satellite communication receivers. It is a valuable component in consumer electronics as well, being used as part of the circuitry that produces audio and video signals. Moreover, the SIT9005ACU1G-28DA can be utilized in a variety of digital systems, as it is capable of generating precise signals for these digital systems. The versatility of the SIT9005ACU1G-28DA is further enhanced by its robust construction. It features a ceramic housing for robust environmental protection, metalized ceramic case for increased reliability, and an industrial-grade hermetic seal for water and dust resistance. Additionally, the SIT9005ACU1G-28DA is capable of operating at temperatures as low as -40°C and as high as 85°C, making it a suitable choice for use in such extreme temperature environments.In conclusion, the SIT9005ACU1G-28DA is a perfect choice for any application requiring precise and stable frequency control. It is a highly reliable, flexible, and cost-effective solution that provides excellent performance with its integrated voltage-controlled oscillator stage and wide selection of inputs and outputs. The SIT9005ACU1G-28DA is sure to become an important component in many different applications in the years to come.

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