SIT9005ACR2D-30NB

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
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):	6.5mA
Spread Spectrum Bandwidth:	-0.5%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	3V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Introduction

Programmable Oscillators are electronic devices that are used to generate a steady pulse at a constant frequency, either integral or non-integral. Among them, SIT9005ACR2D-30NB is a type of Programmable Oscillator that is widely used for a variety of applications. The following sections will discuss its application field, working principle and other related applications.

Application Field

The SIT9005ACR2D-30NB Programmable Oscillator is primarily used in applications where frequency accuracy, low power consumption and stability are essential. Its wide range of frequency capability ranging from 26MHz to 265MHz, makes it an ideal choice for use in numerous applications such as Automation, Medical, Embedded Systems, Telecom and Industrial Control Systems. Furthermore, it has a temperature stability of ±0.5 ppm/°C and a maximum jitter of 0.50 ps rms.

Working Principle

The SIT9005ACR2D-30NB Programmable Oscillator makes use of a ceramic resonator that is tuned to a specific frequency to generate an output signal. When connected to an input voltage, the ceramic resonator vibrates at its resonant frequency, thus generating an output signal that is proportional to its frequency. The oscillation frequency can be adjusted by varying the input voltage, allowing the user to program the output frequency accurately.

External Components

The SIT9005ACR2D-30NB Programmable Oscillator requires an external crystal or ceramic resonator to be connected in order to function properly. This external component is essential as it serves to stabilize the frequency of the oscillator by providing a constant frequency reference. The crystal or ceramic resonator also helps to eliminate any potential noise and electromagnetic interference that may affect the accuracy of the oscillator\'s frequency output.

Generating a Clock Signal

The SIT9005ACR2D-30NB Programmable Oscillator is also capable of generating a clock signal. This can be done by connecting the oscillator\'s output signal to an external resistor and capacitor, which then acts as an integrator. When the signal is integrated, the oscillator is able to generate a clock signal with a frequency that is proportional to its output frequency. This is due to the fact that the capacitor can store a charge that is proportional to the oscillator\'s output signal, thus allowing it to generate a clock signal with the same frequency.

Output Voltage

The SIT9005ACR2D-30NB Programmable Oscillator is capable of providing an output voltage that can range from 1.8 V to 3.3 V, depending on its input voltage. The higher the input voltage, the higher the output voltage will be. Furthermore, the oscillator is also capable of providing a 50% duty cycle, which ensures that the output signal is consistent and reliable.

Disadvantages

Although the SIT9005ACR2D-30NB Programmable Oscillator has many advantages, it does have some drawbacks. One of its main drawbacks is that it is relatively expensive compared to other oscillators. Furthermore, it has a limited range of frequencies and does not produce a clock signal as accurately as other oscillators. Moreover, the oscillator is sensitive to voltage variations and can easily become unstable if the input voltage varies by even a small amount.

Conclusion

In conclusion, the SIT9005ACR2D-30NB Programmable Oscillator is an ideal choice for those looking for a reliable, accurate and low-cost oscillator. Its wide range of output frequency and low power consumption makes it suitable for numerous applications. Furthermore, it is also capable of generating a clock signal with relative accuracy, making it a great choice for many users. However, it may not be the best option for those who need a wide range of frequencies or require a high degree of accuracy in their output signal, which makes it important to evaluate all options before deciding which oscillator to use.

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