SIT9120AC-1D2-33E148.500000Y

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	35mA
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):	69mA
Operating Temperature:	-20°C ~ 70°C
Series:	SiT9120
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	148.5MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electronic components that generate periodic, repeating waveforms in order to provide a clock signal for electronic systems’ synchronization and timing purposes. The signal generated by oscillators can have many different characteristics, such as amplitude, frequency and stability. One such oscillator is the SIT9120AC-1D2-33E148.500000Y. This oscillator was specifically designed for clock supply applications.

Applications

The SIT9120AC-1D2-33E148.500000Y is primarily used in applications requiring low noise, high frequency and low power. This oscillator is ideal for systems that require a low-noise clock supply such as high-density circuits for data communication systems and other industrial and consumer products. Furthermore, the SIT9120AC-1D2-33E148.500000Y can be used as both the master and the slave clock source for clock synchronization. The device is also well-suited to applications where it must be used during extreme temperatures or dusty environments since the oscillator can withstand temperatures of -45° to +105° Celsius.

Features

The SIT9120AC-1D2-33E148.500000Y oscillator has a number of features that make it ideal for many applications. The oscillator offers a high precision crystal, a low peak to peak current consumption, ultra-low phase noise and jitter as well as extremely high levels of reliability.Its frequency range is from 32 kHz to 150 MHz and it is available in a variety of packages including a RoHS compliant 38-pin QFN package. Furthermore, the device has a very low jitter of 0.8ps to 1.5ps. Additionally, the SIT9120AC-1D2-33E148.500000Y has a peak startup current of 2.5mA.

Protection

The SIT9120AC-1D2-33E148.500000Y oscillator is designed to provide additional protection in the event of a fault. The oscillator is equipped with an over-voltage protection feature that detects any increased voltage levels and shuts off the oscillator. This ensures that the oscillator is not damaged in the event of a surge in the power supply voltage.

Working Principle

The working principle of the SIT9120AC-1D2-33E148.500000Y oscillator is based on a crystal that is connected to a parallel-looped RC circuit. This RC network provides feedback to the crystal and when the crystal vibrates, the looped RC circuit amplifies the oscillations and provides an oscillating output signal. The entire oscillation process is regulated by the crystal itself. By using an external resistor and capacitor to adjust the current applied to the crystal, the frequency can be tuned.

Conclusion

The SIT9120AC-1D2-33E148.500000Y oscillator is a highly reliable, low-noise and low-power oscillator that is accurate and stable in a wide range of frequencies. It is designed for a variety of applications such as data communication systems and industrial products, and is highly suited for applications in extreme temperatures and dusty environments. Its many features, such as a high precision crystal, low phase noise and jitter, and over-voltage protection, make it ideal for many applications. Its working principle is based on a crystal connected to a parallel-looped RC circuit which amplifies the crystal’s oscillations and provides an oscillating output signal.

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