SIT3808AI-D3-33NE-25.165800T

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT3808
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	--
Frequency:	25.1658MHz
Type:	MEMS VCXO
Part Status:	Active
Packaging:	Tape & Reel (TR)

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1. Introduction

SIT3808AI-D3-33NE-25.165800T is an oscillator from the SIT3808 family, and it belongs to a category of oscillators known as Programmable Oscillators, found in the world of real-time electronics. It is able to generate periodic waveforms of high precision, including sinusoidal, square, and triangle signals of constant amplitude. With its excellent performance and robust design, this oscillator has been widely used in various industries, such as automotive, aerospace, industrial, and consumer electronics.

2. Application Field and Working Principle

SIT3808AI-D3-33NE-25.165800T has a wide range of applications, from frequency, time, and phase signal generation to pulse width modulation (PWM) and pulse code modulation (PCM). In addition, it is also used in multiphase clock signal distribution, frequency down-conversion, tuning, frequency synthesizing, or clock distribution in microprocessors and depopulation technology.The SIT3808AI-D3-33NE-25.165800T oscillator is able to precisely generate and output various periodic waveforms due to the incorporation of several components that make up its operating circuit. A few core elements that make up this oscillator are the frequency-control capacitors, the temperature-control capacitors, the active devices, the resonator, and the amplifier.The frequency-control capacitors make up the core of this oscillator. By changing the capacitance of the frequency-control capacitor, the frequency of the output signal can be changed. The capacitors are usually adjusted in a linear fashion for fine tuning. It also has temperature-control capacitors whose capacitances change with temperature. This helps to ensure the frequency accuracy of the SIT3808AI-D3-33NE-25.165800T.The active devices act as amplifiers to buffer the signal and maintain the output waveforms at a constant amplitude. A resonator is used to provide an input signal with a relatively stable frequency, and it is often made up of an inductor and capacitor combination. The amplifier works together with other components of the oscillator and amplifies the output signal to the desired level.The SIT3808AI-D3-33NE-25.165800T also employs circuitry such as band-pass filters, phase-locked loops (PLL), phase detectors, voltage comparators, and voltage-controlled oscillators (VCO) to provide more precise, accurate, and stable waveforms. The band-pass filter is used to restrict the range of frequencies that are passed by the oscillator and ensure maximum signal accuracy. The PLL is used to hold the output waveform to a fixed frequency. The VCO is used to vary the frequency of the output signal, depending on the input voltage. Finally, the phase comparator is used to synchronize the output signal with an external signal.

3. Advantages and Disadvantages

The key advantages of SIT3808AI-D3-33NE-25.165800T include high accuracy, frequency stability, and low power consumption. This oscillator is able to generate the output waveform of constant and stable amplitude with precise and accurate frequency.On the other hand, although SIT3808AI-D3-33NE-25.165800T is a reliable oscillator, it is also more expensive than its counterparts. Furthermore, the larger size of the oscillator can limit its usage in some applications.

4. Conclusion

SIT3808AI-D3-33NE-25.165800T is a programmable oscillator that is able to generate various periodic waveforms at relatively high accuracy levels. It is widely used in many applications, such as frequency control, pulse width modulation (PWM), pulse code modulation (PCM), and frequency down-conversion. While it is more expensive than other oscillators, its high accuracy and low power consumption make it well-suited for certain applications.

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