FN2500149

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.061" (1.55mm)
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):	10mA
Operating Temperature:	-40°C ~ 85°C
Series:	SaRonix-eCera™ FN
Voltage - Supply:	3.3V
Output:	CMOS
Function:	Enable/Disable
Frequency:	25MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: FN2500149 Application Field and Working Principle

Oscillators are essential in many electronic circuits. An oscillator is an electronic device that produces a repetitive signal, often a sine wave or a square wave, which is fed back to the same point to form a continuous waveform. FN2500149 is one kind of oscillators with different practical applications. It is developed by Texas Instruments and used mainly in frequency synthesizers and related electronic equipment.

Basic Features Of FN2500149 Oscillator

FN2500149 is a CMOS oscillator with high stability and low power consumption. It is an ideal oscillator for many cost-sensitive applications. The oscillator can be used in frequency synthesizers, clock oscillators and switching regulato–rs requiring low ESR capacitors. It can be configured to produce an output frequency of 50Mhz to 500Mhz. It has an operating temperature range of -40°C to 85°C and a maximum duty cycle of 75%.

Application Field of FN2500149 Oscillator

FN2500149 has numerous applications in commercial, industrial and consumer electronics. It is mainly used in frequency synthesizers, clock oscillators and switching regulato–rs requiring low ESR capacitors. It has also been used in a wide range of applications such as radar, marine, aerospace, medical and communication systems.

Working Principle of FN2500149 Oscillator

FN2500149 oscillator operates using positive-resistor-capacitor (PRC) topology. It consists of two transistors, two capacitors and one resistor. The two transistors form a positive feedback loop circuit, which generates a sine wave output signal. The sine wave output is determined by the timing capacitor values. The resistor provides bias current to the transistors and the capacitors provide the frequency control. The oscillator operates at a frequency determined by the value of the timing capacitors. When the capacitors are changed, the frequency of the oscillator can be changed.

Benefits of FN2500149 Oscillator

The FN2500149 oscillator offers many advantages over traditional oscillators, such as improved reliability, lower power consumption, greater frequency range and better ESD performance. It also provides output and input isolation, which increases its noise immunity and limits EMI/RFI interference. Furthermore, it provides better frequency stability with temperature variations and eliminates the need for external components.

Conclusion

FN2500149 is a CMOS oscillator with wide application fields and good features. It operates using positive-resistor-capacitor (PRC) topology and can generate output frequency from 50Mhz to 500Mhz. It has numerous benefits such as improved reliability, lower power consumption, greater frequency range and better ESD performance. This oscillator is ideal for many cost-sensitive applications such as frequency synthesizers, clock oscillators and switching regulato–rs requiring low ESR capacitors.

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