SIT1602AIT8-28S

Frequency Stability:	--
Current - Supply (Disable) (Max):	4.3µA
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):	4.5mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	±20ppm
Series:	SiT1602
Voltage - Supply:	2.8V
Output:	HCMOS, LVCMOS
Function:	Standby
Available Frequency Range:	3.75MHz ~ 77.76MHz
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

Programmable oscillators are specialized circuits designed to produce stable, accurate and reliable frequencies repeatedly to suit different user needs. The SIT1602AIT8-28S is a typical example of this type of oscillator, where the user can readily adjust the frequency and other parameters to generate the desired output signals.The SIT1602AIT8-28S offers users a variety of features that help customize oscillators to the specific needs of different applications. Its wide output frequency range of 8 – 28 MHz enables users to adjust the oscillator to fit within the necessary performance range for any given application. Its integrated temperature compensated voltage control oscillator (VCXO) also allows for fine-tuned adjustments of the output frequency, eliminating the need for additional external tuning components. Additionally, the AIT8-28 offers a wide operating temperature range of - 40°C up to 85°C and is also tolerant of extreme environmental factors such ammonia, solvents and other highly corrosive chemicals. This offers a level of customization and flexibility that can help users optimize their particular oscillator setup to the specific oscillator characteristics needed for any given application.To understand the working principle of the SIT1602AIT8-28S, it is important to understand that the programmable oscillator works by producing two signals that are controlled by the user. These two signals, known as the reference clock and the control voltage, are then used together to adjust the output frequency of the oscillator.The reference clock is generated from an internal temperature-compensated RC oscillator and generates a signal that has a frequency which is slightly higher than the desired output frequency. This signal is used as the reference for the frequency-adjustable oscillator that takes the varying control voltage and uses it to adjust the frequency of its output signal.The control voltage is a voltage that is adjustable by the user. Depending on the technology used, this could be a manually adjustable voltage provided directly by the user or it could be a programmable digital representation of the desired frequency. Regardless of the technology used, this voltage is used to adjust the frequency of the oscillator, allowing the user to easily adjust the frequency of the oscillator as needed.In conclusion, the SIT1602AIT8-28S offers a wide output frequency range, integrated temperature compensated VCXO and a wide operating temperature range. It can be easily adjusted with two signals to allow the user to produce the exact output voltage required for any given application. Understanding how programmable oscillators work provides a better understanding of their capabilities and how they can be deployed for specific user needs, including the SIT1602AIT8-28S use case.

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