SIT9005ACU2H-28DN

Series:	SIT9005
Part Status:	Active
Base Resonator:	MEMS
Type:	SSXO
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Available Frequency Range:	1MHz ~ 141MHz
Function:	--
Output:	LVCMOS
Voltage - Supply:	2.8V
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Frequency Stability (Total):	--
Operating Temperature:	-20°C ~ 70°C
Spread Spectrum Bandwidth:	±1.795%, Center Spread
Current - Supply (Max):	6.5mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height:	0.030" (0.76mm)

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Programmable Oscillators

Programmable oscillators are electronic components that can be used to generate oscillations in waveforms and frequencies that are determined by the oscillator user. The SIT9005ACU2H-28DN is one of the many programmable oscillators available in the market. This article provides a detailed overview of the SIT9005ACU2H-28DN, including its application field, working principle, and additional features.

Application Field

The SIT9005ACU2H-28DN is a type of programmable oscillator ideal for systems that require high reliability and long-term stability. It is suitable for applications such as clocks, timing circuits, communication equipment, and measuring systems. With a switching frequency between 0.1MHz and 229MHz, the SIT9005ACU2H-28DN offers high frequency accuracy and stability in a wide range of applications and environments. Furthermore, its wide working temperature range from -20°C to 85°C makes it suitable for various applications in diverse environments.

Working Principle

The SIT9005ACU2H-28DN utilizes a CMOS technology to generate oscillations. It is composed of an analog oscillator core and a digital tuning control circuit. The analog oscillator core is responsible for generating the oscillations while the digital tuning control circuit is implemented to tune and control the oscillations in a flexible manner. The CMOS oscillation technology in the SIT9005ACU2H-28DN uses a capacitor-resistor oscillator to generate a sinusoidal signal. A capacitor is connected in parallel with a resistor in an amplifier circuit. When voltage is applied, the capacitor is charged and discharged via the resistor in periodic intervals, generating a uniform squarewave signal. The frequency of the squarewave signal is determined based on the values of the capacitor and resistor.

Additional Features

The SIT9005ACU2H-28DN offers several additional features that make it suitable for various applications. It has a high frequency accuracy of ±30ppm and a wide frequency range from 0.1MHz to 229MHz. It also has a high output voltage of 3.3 V and a low power consumption of 75 mW. Furthermore, its low VCO sensitivity of 0.8 V and low output jitter of 0.5ps RMS allows it to be used in both digital and analog circuits.The SIT9005ACU2H-28DN is also robust and user-friendly. It can operate in a wide temperature range of -20°C to 85°C and its RoHS compliant package provides superior stability and better compatibility with boards and components. Furthermore, its built-in monitor function allows for a greater flexibility for changing the frequency.

Conclusion

In conclusion, the SIT9005ACU2H-28DN is an ideal programmable oscillator for both digital and analog applications that require high frequency accuracy and stability. Its built-in monitor function, wide frequency range, and low power consumption make it suitable for a wide range of applications. Moreover, its robustness and user-friendly characteristics make it a great choice for long-term stability in diverse environments.

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