SIT3907AI-22-33NZ-48.461000T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	34mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT3907
Voltage - Supply:	3.3V
Output:	LVCMOS, LVTTL
Function:	--
Frequency:	48.461MHz
Type:	DCXO
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

SIT3907AI-22-33NZ-48.461000T oscillator is a miniature surface-mount quartz crystal that offers high frequency stability and low EMI noise. It is a reliable, cost effective quartz crystal alternative. It is widely used in multiple applications and can provide steady frequency accuracy to ensure that the system runs more smoothly and reliably.

Working Principle and Technologies

At the core of the SIT3907AI-22-33NZ-48.461000T oscillator is its miniaturized quartz crystal. Quartz crystals are made of natural quartz and often consist of two metal plates separated by a thin slice of quartz. The quartz crystal oscillates at a fixed frequency when a voltage is applied across it. The frequency of the oscillation depends on the physical properties of the quartz itself, including the thickness of the quartz plate, the type of quartz used, and the electrodes used to excite the crystal.The oscillator utilizes a patented technology called Frequency Locked Loop (FLL). FLL greatly increases the frequency accuracy and stability of the quartz crystal, allowing it to maintain its accurate frequency even in the presence of temperature, voltage, or power supply fluctuations. The FLL circuit senses the deviation of the crystal from its predetermined frequency and adjusts the excitation frequency applied to the quartz crystals to make the frequency output remain fixed.

Applications Fields

SIT3907AI-22-33NZ-48.461000T oscillators are widely used in various fields due to their Miniaturization, ultra-low power consumption, and frequency stability. The oscillator is widely used in portable device applications such as pagers, cell phones, and PDAs since the circuit board space constraint and long life is required, and the ultra-low power consumption feature of the oscillator helps optimize the operational efficiency. The oscillators are also used in the medical field for the precision of the time accuracy in medical procedures or when monitoring vital signs. Additionally, the oscillators are used in automotive industries for the application of Engine Control Modules and security system. Since the low power consumption and stable frequency is highly desired for such applications. In connectivity technology such as Bluetooth and WiFi applications, the oscillators provide a stable clock signal for the transceivers, thus helping reduce power consumption and interference with other intense RF signals.The oscillators are also used in precision clock and timing systems, such as Global Positioning Systems (GPS), Network Time Protocol (NTP) servers, global mobile television, and telecom timing applications.

Conclusion

In conclusion, the SIT3907AI-22-33NZ-48.461000T is a highly reliable, low power consumption oscillator that offers significant frequency stability and accuracy. It has a wide range of applications, including portable devices, medical equipment, automotive systems, communication technologies, and timing systems. The oscillator can also provide reduced EMI and better signal integrity.

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