SIT1602AIT8-33E

Frequency Stability:	--
Current - Supply (Disable) (Max):	4mA
Height:	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.5mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	±20ppm
Series:	SiT1602
Voltage - Supply:	3.3V
Output:	HCMOS, LVCMOS
Function:	Enable/Disable
Available Frequency Range:	3.75MHz ~ 77.76MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators: SIT1602AIT8-33E Application Field and Working Principle

Programmable oscillators are advanced electronic components capable of generating precise waveforms – and even whole waveform libraries – that can then be used for a variety of applications in many different fields. The SIT1602AIT8-33E model is a high-performance quartz oscillator that features a variety of electrical and performance characteristics, including programmability and high temperature stability. In this article, we will discuss the application field and working principle of the SIT1602AIT8-33E model of programmable oscillator.

Application Field

The SIT1602AIT8-33E model of programmable oscillator is primarily used as an oscillating device in a wide range of industrial, automotive, and consumer applications. It is well-suited for digital and analog communication systems, timers, and digital processors, as well as being able to interface with microcontrollers and computer peripherals. Due to its high-temperature operating range and pitch tolerances, it is also well-suited for operation in small- tolerance, high-reliability digital systems. Further, the model can be used in a large range of data conversion systems and low-power embedded applications.

Working Principle

The SIT1602AIT8-33E model features a programmable hybrid type oscillator that relies on the same quartz crystal technology used in standard quartz oscillators, but which is adapted to provide higher levels of programmability and performance. This oscillator utilizes a special hybrid piezoelectric-silicon substrate, which acts as the “tuning element” and creates a harmonic resonance between the crystal and the silicon. This allows for control of the frequency and accuracy of the oscillator by programming various parameters. To control and set the frequency of the oscillator, a digital-to-analog converter (DAC) is used. This broadcasts a specific frequency, via the resonance of the crystal, from the output of the oscillator. The DAC provides a number of discrete voltage levels, allowing for precise frequency tuning and adjustment. Furthermore, a frequency control register and a temperature compensation circuit (TPC) are used to provide additional programmability options. The most important feature of the SIT1602AIT8-33E, however, is its flexibility. This model allows for a wide range of programming options and features, making it particularly well-suited for applications where precision and stability are paramount. As mentioned, the feature set includes a frequency control register, temperature compensation circuit (TPC), and DAC – all of which are easy to use and enable programmable operation of the oscillator’s frequency.

Conclusion

The SIT1602AIT8-33E is a highly reliable, programmable oscillator specifically designed for industrial, automotive, and consumer applications. It relies on quartz crystal technology and a number of programmable components to provide precise frequency control and adjustment, as well as high-temperature stability. Its combination of features makes it ideal for applications requiring precise waveforms, timers, and digital processors.

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