SIT9003AC-3-18SO

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	800nA
Height:	0.031" (0.79mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	3.5mA
Spread Spectrum Bandwidth:	-0.50%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	±50ppm
Series:	SiT9003
Voltage - Supply:	1.8V
Output:	LVCMOS, LVTTL
Function:	Standby
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

Programmable oscillators are oscillators that can be programmed for different frequency output. The ability to control frequency output, as well as its amplitude, makes them incredibly versatile. This makes them suitable for a range of applications, from consumer electronics to computers and communications. One such example of a programmable oscillator is the SIT9003AC-3-18SO. In this article, we will look at the application field and working principle of this oscillator.

Application Field

The SIT9003AC-3-18SO is a programmable oscillator that is especially suitable for high-speed logic applications. This oscillator has a wide operating frequency range of 5MHz to 40MHz, and can be controlled with a programming voltage of 0-5V. With its low cost, small size, and easy-to-program feature, the SIT9003AC-3-18SO is ideal for applications such as telecommunication systems, cameras, home appliances, and automotive applications.

Working Principle

The SIT9003AC-3-18SO consists of an oscillator, a programmable divider, and an output driver. The oscillator portion of the IC consists of an integrated capacitor and a resistor, which generate an AC voltage. This is then sent to the divider, which divides this voltage into a much lower frequency (for example, 5MHz --> 500kHz). The output driver then takes this and amplifies it, before sending it out of the IC.The SIT9003AC-3-18SO is programmable via its programming voltage. This is done by adjusting the value of the resistor in the oscillator circuit and the divider circuit. This allows the output frequency of the IC to be changed, as well as the maximum voltage of the output signal. This provides an incredibly versatile piece of hardware, and makes it suitable for many different applications.

Conclusion

The SIT9003AC-3-18SO is an example of a programmable oscillator, a type of oscillator known for its versatility and programmability. Such oscillators are especially useful in high-speed logic applications, and are commonly used in telecommunication systems, cameras, home appliances, and automotive applications. This is due to their wide operating frequency range, low cost, small size, and ease of programming. Understanding the working principle and application field of this oscillator can help us get even greater value out of this piece of hardware.

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