SIT9122AI-1B-XXS

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	100µA
Height:	0.032" (0.80mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	69mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT9122
Voltage - Supply:	2.25 V ~ 3.63 V
Output:	LVPECL
Function:	Standby
Available Frequency Range:	220MHz ~ 625MHz
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 a type of oscillator circuit designs that are configurable and adjustable for a wide range of uses. They are ideally suited for applications requiring high precision as well as flexibility. An example of this type of oscillator is the SIT9122AI-1B-XXS.The SIT9122AI-1B-XXS is a unique form of programmable oscillator because of its exclusive features and design characteristics. It features an integrated adjustable voltage controlled oscillator (VCO) along with a second-order low-pass filter, enabling a wide frequency range and precise pulse width modulation (PWM) control. This makes it ideal for a variety of applications such as audio, low voltage analog, digital, and radio frequency (RF) signal processing.The SIT9122AI-1B-XXS is a high-accuracy device that offers flexibility and fine-tuning capability by providing the ability to adjust the pulse width, pulse amplitude, and frequency to the specific needs of the application. This provides an ideal solution for applications requiring varied frequencies or where the requirement of achieving low distortion or low jitter is paramount. The adjustable outputs are especially beneficial when designing for high-speed data converters and for communication systems that require precise timing.The SIT9122AI-1B-XXS also includes an easy-to-use phase-locked loop (PLL) feature that allows the user to select a range of output frequencies from a single reference clock. This PLL feature is designed to make sure that the generated signals remain stable and consistent regardless of temperature fluctuations or load variations. In addition, the device offers a built-in low-jitter clock generator, with capability of up to 56 different frequencies. The SIT9122AI-1B-XXS uses an advanced design concept called the phase-locked loop (PLL) method, a form of feedback control system used to generate an oscillating circuit which matches the input frequency given to it. The system consists of two main components: a phase detector which compares the phase of a reference clock and the output of the oscillator circuit, and a voltage controlled oscillator (VCO) which produces the output frequency.The output of the PLL circuit is not a single frequency but instead a series of frequencies that cycle at a predetermined frequency. This periodic output of the VCO is connected to the input of a low-pass filter. The output of the filter is the desired output frequency. The combination of the PLL and the low-pass filter enables the SIT9122AI-1B-XXS to be used in a wide range of applications where programmability is a key requirement.The Pulse Width Modulation (PWM) feature of the SIT9122AI-1B-XXS makes it suitable for applications that have a low distortion or low frequency requirement, such as audio and low voltage analog. The PWM feature is designed to reduce jitter, which can lead to erroneous readings. The integrated PWM modulation also reduces distortion, which improves the overall quality of the output signal.In conclusion, the SIT9122AI-1B-XXS is a unique programmable oscillator design that offers flexible frequency control and precise pulse width modulation capability. It is ideal for designing systems requiring accurate timing, such as in audio, low voltage analog, digital, and radio frequency applications.

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