SIT3821AI-2B-25NG

Frequency Stability:	±10ppm
Height:	0.031" (0.79mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	55mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT3821
Voltage - Supply:	2.5V
Output:	LVDS
Function:	--
Available Frequency Range:	1MHz ~ 220MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators

Programmable oscillators are electronic components that can be used to generate an output signal of a precise frequency. They are able to tune the frequency within a wide range, making them ideal for applications such as timing, test and measurement, communication, and control systems. The SIT3821AI-2B-25NG is one such programmable oscillator, featuring a flexible serial interface.

Features of SIT3821AI-2B-25NG

The SIT3821AI-2B-25NG is a low-power programmable oscillator with advanced features such as frequency doubling, dual-frequency output, and a wide range of programming options. It is capable of operating at frequencies from 5 MHz to 200 MHz. The device is equipped with a SPI/I2C interface, allowing for easy integration into systems. The device also features low-power and EMI-compatible operation.

Applications of SIT3821AI-2B-25NG

The SIT3821AI-2B-25NG is ideal for a wide range of applications, including automotive, communications, industrial, medical and military.In automotive applications, the SIT3821AI-2B-25NG can be used to generate a precise frequency signal for oscillator-controlled systems, such as spark timing and fuel injection. In communications applications, it can be used to generate precise control signals for transmission synthesizers and modems, as well as providing a clock source for RF transceivers.The SIT3821AI-2B-25NG is also ideal for industrial applications, providing a stable frequency for motor control and process automation. In medical applications, the oscillator can be used to precisely control ultrasound and electrophysiology equipment. Finally, the device can be used to generate precise frequencies for radar and other military systems.

Working Principle of SIT3821AI-2B-25NG

The SIT3821AI-2B-25NG uses a voltage-controlled oscillator (VCO) to generate its output frequency. This is accomplished by applying a signal to the device’s voltage-control input, which then adjusts the frequency of the oscillator. The output is then divided down by a programmable divider to allow for the desired output frequency.The device also features a programmable serial interface which can be used to program the device. The interface allows for the programming of frequencies, divider settings, and any other settings that may be required for the specific application.The SIT3821AI-2B-25NG also has a number of built-in safety features, including a watchdog timer, which can be configured to reset the device if it detects a fault, and an automatic calibration feature, which ensures the device is always operating at its optimum level.

Conclusion

The SIT3821AI-2B-25NG programmable oscillator is a versatile, low-power device suitable for a wide range of applications. With its wide frequency range, programmable divider, low-EMI operation, and safety features, the SIT3821AI-2B-25NG is an ideal solution for a variety of timing, test and measurement, communication, and control systems.

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