SIT1602AIL2-33E

Frequency Stability:	--
Current - Supply (Disable) (Max):	4mA
Height:	0.031" (0.79mm)
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):	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

Programmable oscillators offer flexible, reliable frequency control in a variety of applications, allowing engineers to select a range of frequencies and adjust the oscillator to match precise frequency requirements. The SIT1602AIL2-33E is a programmable oscillator specifically designed to serve the needs of industrial and embedded applications where high-precision control is needed. It operates in a wide range of frequencies from 16MHz to 55MHz with programmable precision of 100Hz.

Applications

The SIT1602AIL2-33E is well-suited for a range of tasks in different industries, including in industrial control, remote sensing and monitoring, aviation, automotive, and ultimately any application requiring precise oscillator control.Industrial control: An oscillator\'s precision and repeatability are essential aspects for industrial production functions, and the SIT1602AIL2-33E especially offers accurate oscillations and power-agnostic resonance performance in piston-style machines and mixing devices. Remote sensing and monitoring: The ability to control the frequency of an oscillator enables remote sensing and monitoring tasks to be carried out with greater accuracy. The SIT1602AIL2-33E is ideal for remote sensing and monitoring as it provides precise frequency control, as well as immunity to temperature, humidity and pressure variation. Aviation: The SIT1602AIL2-33E can be used in a variety of aviation applications, including for aircraft autopilot and navigation systems, as well as for engine control systems, and sensor applications. As these applications require precise frequency control, the SIT1602AIL2-33E is an ideal choice. Automotive: The SIT1602AIL2-33E is also well-suited to automotive applications, especially as it is highly resilient to environmental variation. It is also EMI and ESD compliant, making it suitable for use in road vehicles and other harsh environments.

Working Principle

At its core, the SIT1602AIL2-33E is a voltage-controlled oscillator that operates with a switchable frequency range. The frequency range is determined by the control voltage input to the oscillator, which is generated by a programmable digital-to-analog converter (DAC). The oscillation frequency and output power can be controlled within ±1%, ±5%, and ±5~20% tolerance. The SIT1602AIL2-33E also uses a slightly different approach than a traditional crystal oscillator circuit. Instead, it is based on a digital architecture which utilizes an internal Frequency Temperature Calibration (FTC) and oscillator stabilizing circuits for high precision and stable oscillation frequency over the operating temperature range -20°C to +70°C. The FTC is used to compensate for frequency variations over temperature and process, and requires very little external circuitry. The oscillator control is digitally programmed and can be changed on-the-fly through an I2C or SPI interface.

Conclusion

Overall, the SIT1602AIL2-33E is an ideal choice for industrial, embedded and automotive applications where precise frequency control is needed. Its combination of voltage control, digital architecture and internal Frequency Temperature Calibration makes it highly reliable and safe to use in a range of environments and tasks.

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