SIT8208AI-G3-25E-12.800000X

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.106" L x 0.094" W (2.70mm x 2.40mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	SiT8208
Voltage - Supply:	2.5V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	12.8MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SIT8208AI-G3-25E-12.800000X application field and working principleOscillators are a type of electronic device that produces a continuous sequence of repetitive wave forms. They are most often used to provide a stable clock signal or control or generate the frequency of an analog signal, like voltage, current or power. Oscillators are essential for many electronic circuits, from consumer goods to industrial machines. One type of oscillator is the SIT8208AI-G3-25E-12.800000X, a complex integrated circuit designed to provide precise frequency control and stability.SIT8208AI-G3-25E-12.800000X is a highly integrated, single-chip, temperature-controlled crystal oscillator (TCXO). It is primarily used in commercial and military avionic and navigation systems, global positioning systems (GPS), mobile communications, telecommunications, and other precision timing and frequency control applications. It operates over an extended temperature range of -40°C to +85°C and can provide a frequency control range of ±8 ppm and stabilities to ±2 ppm. The basic working principle of the SIT8208AI-G3-25E-12.800000X is to take a sinusoidal input signal from an external crystal oscillator and convert it into a square wave output. The crystal oscillator contains a tiny quartz crystal that vibrates at a precise frequency, and this vibration is converted into electrical energy by electrodes connected to the crystal. The oscillator\'s integrated logic circuits then generate the square wave output, which can be used to control or generate analog clock signals, data signals, or other frequencies.The SIT8208AI-G3-25E-12.800000X employs a multi-band Frequency Control Loop (FCL) system comprising of a temperature sensor, a voltage controlled crystal oscillator (VCXO), and a phase-locked loop (PLL) circuit. The FCL continuously monitors the frequency of the crystal to ensure the oscillator\'s output frequency remains constant. If the frequency drifts due to temperature fluctuations, the FCL will automatically adjust the VCXO frequency to compensate for the frequency shift. This ensures the SIT8208AI-G3-25E-12.800000X provides a stable frequency output even in fluctuating temperatures.The SIT8208AI-G3-25E-12.800000X also includes a Digital Output Frequency Control (DOFC). This feature gives the user precise control over the frequency of the output signal, as the user can set the frequency of the oscillator\'s output by setting the frequency of the crystal. This provides more precise control and flexibility in controlling or generating frequencies for a variety of applications.In conclusion, the SIT8208AI-G3-25E-12.800000X is an advanced, single-chip temperature-controlled crystal oscillator that provides precise frequency control and stability for a variety of applications. It employs a multi-band Frequency Control Loop system and a Digital Output Frequency Control feature for precise adjustment of the output frequency. This device is ideal for use in commercial and military avionic and navigation systems, GPS, mobile communications, and telecommunications, making it a versatile device for many industries.

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