SIT9121AC-2C-33E

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	35mA
Height:	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	55mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SiT9121
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Available Frequency Range:	1MHz ~ 220MHz
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 one of the most important types of oscillators used in the electronics industry. They come in a variety of forms, and one of the most popular is the SIT9121AC-2C-33E. This type of oscillator is used in a wide range of applications, from home automation to automotive applications, and its working principle can be outlined below.The SIT9121AC-2C-33E is a two-phase-locked loop programmable oscillator. This type of oscillator relies on two independent oscillators, one of which is a reference oscillator and the other is a compared oscillator. Both oscillators are operated in a phase-locked loop and the degree of phase difference between the reference oscillator and the compared oscillator is used to detect and control the desired frequency of the output signal. This type of oscillator also allows for a wide range of programmable frequencies, and changes can be made quickly and accurately.The SIT9121AC-2C-33E is designed primarily for use in automotive applications and is used to control sensors, transmission output and various actuators. It is also used in LED lighting, airbags, door locks and power systems. In these applications, the oscillator is used to regulate the speed at which the system operates and ensure it operates within an acceptable range.The oscillator also has a wide range of programmable features, including setting different frequencies, changing the output level, resetting the output level, adjusting the operating temperature and providing low-loss protection. It also offers a variety of options, including internal and external crystal selection, voltage stabilization, current reduction, linear and parabolic response time, package type and power supply sources.The working principle of the SIT9121AC-2C-33E is relatively straightforward. The oscillator receives two separate oscillations, one from the reference oscillator and the other from the compared oscillator. The reference oscillator is used to detect when the compared oscillation is out of phase and the frequency of the input signal is adjusted accordingly. This adjustment is automatically implemented, ensuring the system remains in an efficient and stable condition.In conclusion, the SIT9121AC-2C-33E is a versatile programmable oscillator with a wide range of applications and a reliable, efficient working principle. It is used in a variety of automotive and other applications, providing reliable and accurate control over complex systems. Its wide range of programmable options and features makes it an ideal choice for a variety of applications and its reliable performance ensures it remains a popular choice among engineers and designers.

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