SIT3822AI-2C-25NB

Frequency Stability:	±10ppm
Height:	0.031" (0.79mm)
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:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT3822
Voltage - Supply:	2.5V
Output:	LVDS
Function:	--
Available Frequency Range:	220MHz ~ 625MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable oscillators are electronic components that utilize frequency-generating circuits to produce a signal of a specific frequency. These oscillators are used across a variety of applications where an oscillation measurement is required. SIT3822AI-2C-25NB is one example of a programmable oscillator whose application field and working principle can be discussed in further detail through this article.
The SIT3822AI-2C-25NB is a programmable oscillator designed for applications requiring low-frequency clock signals. It is a low-consumption device, with a typical power consumption of only 0.15mA and a wide operating temperature range of -40°C to +85°C. This oscillator is a small, SMD (surface-mount technology) component and has a footprint that allows for flexibility in board design, making it suitable for both commercial and automotive applications.
The device can produce an output frequency range of 1kHz to 25MHz, making it an ideal choice in applications such as crystal oscillators, quartz oscillators, reference clocks, spread spectrum clocks, and WAN traversal clocks. It is available in both 3.3V and 5V versions and can be programmed by the user. The device can be enabled or disabled through pin control, providing flexibility to the user.
The SIT3822AI-2C-25NB is a direct drive oscillator and utilizes a basic non-volatile storage element such as an EEPROM or an OTP (One-Time Programmable) chip. This allows for a low-power, open source waveform synthesis. Thus, it can be used in applications where low power consumption, low cost, and high frequency are required.
The device is made up of two major parts, a frequency generator and a frequency amplifier. The frequency generator, through the use of a programmable non-volatile storage element, is responsible for generating an output signal at a specific frequency. This output signal is then amplified by the frequency amplifier. The amplified signal can then be applied to a control pin on the device to control its operation.
Also included in the device is a frequency counter, which measures and stores the output frequency and can be used to set specific frequencies. This counter is also used to measure the stability of the device and can be used to check and calibrate the system. This frequency counter also stores the output frequency into non-volatile memory, so that it can be accessed and retrieved at any time.
The SIT3822AI-2C-25NB is a versatile programmable oscillator, capable of meeting a variety of needs. Its wide frequency range, low power consumption and flexible control make it a suitable choice for applications requiring low-frequency clock signals. Combined with its small footprint and low cost, it is an ideal choice for commercial and automotive applications where an oscillation measurement is required.

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