SIT8008BCU8-28N

Frequency Stability:	--
Current - Supply (Disable) (Max):	4.2mA
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:	-20°C ~ 70°C
Frequency Stability (Total):	±20ppm
Series:	SiT8008B
Voltage - Supply:	2.8V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 110MHz
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 are special types of oscillators which can be programmed to specific frequencies. They are usually used in frequency-agile systems. Programmable oscillators offer the benefits of improved accuracy, frequency stability, and cost efficiency over traditional resonators and crystal oscillators. One of the most popular programmable oscillators is the SIT8008BCU8-28N.

SIT8008BCU8-28N Overview

The SIT8008BCU8-28N is a highly integrated programmable oscillator with a single 1.2V supply voltage. Its operating temperature range is from -40C to +85C. It has an output frequency range from 1.2MHz to 4GHz and an output power of up to +19dBm. The SIT8008BCU8-28N has five programmable parameters: VCC, Output Frequency, Pull Up, Pull Down and High Time. The VCC setting is used to set the supply voltage to the device. The Output Frequency setting is used to set the output frequency of the device. The Pull Up and Pull Down settings are used to set the pull-up and pull-down resistors of the device. Finally, the High Time setting is used to set the duration of the high time.

SIT8008BCU8-28N Application Field

The SIT8008BCU8-28N is mainly used in applications that require a programmable oscillator to meet strict performance requirements. These include microwave systems, GPS systems, communication systems, radar systems, medical equipment, automotive electronics and test and measurement systems. The high frequency and accuracy of the device also make it suitable for clock synchronization and frequency synthesis applications. The SIT8008BCU8-28N is also suitable for low power applications due to its low power consumption and low noise. This makes it ideal for applications that run on battery and need to conserve power such as cell phones, wireless sensors and cameras.

SIT8008BCU8-28N Working Principle

The SIT8008BCU8-28N works by using a linear integrated oscillator (LIO) circuit. This circuit is composed of two resistors, two capacitors and one inductor. The resistors and capacitors form a low-pass filter which determines the frequency of the oscillation. The inductor provides the necessary feedback for the oscillations. The LIO circuit is also used to control the output frequency of the device. By changing the values of the resistors and capacitors, the output frequency can be changed. This is what makes the SIT8008BCU8-28N a programmable oscillator.The SIT8008BCU8-28N also features an integrated temperature sensor which can be used to monitor the operating temperature of the device. This allows it to operate reliably at extreme temperatures.

Conclusion

The SIT8008BCU8-28N is a highly integrated programmable oscillator with a single 1.2V supply voltage. It has an output frequency range from 1.2MHz to 4GHz and an output power of up to +19dBm. Its main applications include microwave systems, GPS systems, communication systems, radar systems, medical equipment, automotive electronics and test and measurement systems. The SIT8008BCU8-28N works by using a linear integrated oscillator (LIO) circuit to control the output frequency and an integrated temperature sensor to monitor the operating temperature of the device.

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