SIT9003AI-8-28EB

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	2.2µA
Height:	0.039" (1.00mm)
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):	4.1mA
Spread Spectrum Bandwidth:	±0.25%, Center Spread
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	±50ppm
Series:	SiT9003
Voltage - Supply:	2.8V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Available Frequency Range:	1MHz ~ 110MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators: SIT9003AI-8-28EB Application Field and Working PrincipleProgrammable oscillators are specialized time-based control devices that are available in a wide range of frequencies and shapes. They are able to rapidly reset, delay or run preset programs from a microcontroller or computer. The SIT9003AI-8-28EB is one such programmable oscillator, designed for use in demanding situations where traditional oscillators may fail (or be unreliable). This article will discuss the application field for the SIT9003AI-8-28EB and its working principle.The SIT9003AI-8-28EB is a programmable oscillator that is designed for use in a range of industrial, medical, automotive and military applications. Its main features include an adjustable external frequency control option (up to 90 MHz), the ability to remain stable in wide temperature ranges and a simple assembly process with customizable layout.The SIT9003AI-8-28EB can be used in a variety of applications, such as filtering, precision timing, regenerative clocking and noise reduction. Its high frequency stability, low acceleration sensitivity and robust external frequency control can make it a reliable clock source for a range of applications. Additionally, its tight jitter margins make it suitable for industrial process control and other critical applications.The main features of the SIT9003AI-8-28EB’s programmable oscillator are its wide range of output frequencies (up to 48MHz), adjustable levels of output (from high to low levels) and its rapid reset time of under 80ns. Its integrated crystal and thermistor will ensure high stability and frequency accuracy, regardless of the external temperature.The working principle of the SIT9003AI-8-28EB programmable oscillator is relatively simple. It functions in an open loop architecture, where the frequency of the oscillator is set by adjusting the external frequency control. The external frequency control is then connected to a crystal resonator, whose output is amplified by the integrator and fed back to the control loop. This feedback loop allows the oscillator to quickly reach a steady-state value, based on the frequency of the control signal. Additionally, the oscillator can remain stable in wide temperature ranges and is highly reliable when it comes to time-based processes.In summary, the SIT9003AI-8-28EB is a programmable oscillator designed for use in industrial, medical, automotive and military applications. Its main features include an adjustable external frequency control option, the ability to remain stable in wide temperature ranges, flexible output frequency and a simple assembly process with customizable layout. Its working principle involves setting the oscillator frequency in an open loop architecture via an external frequency control, which is then connected to a crystal resonator. This feedback loop ensures the oscillator’s stability and accuracy.

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