554AD000379DG

Function:	Enable/Disable
Current - Supply (Disable) (Max):	75mA
Package / Case:	8-SMD, No Lead
Height:	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Current - Supply (Max):	130mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±50ppm
Voltage - Supply:	3.3V
Output:	LVPECL
Series:	Si554
Frequency - Output 4:	--
Frequency - Output 3:	--
Frequency - Output 2:	--
Frequency - Output 1:	622.08MHz, 624.693781MHz, 666.514285MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	--

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Introduction

Pin Configurable/Selectable Oscillators are highly sophisticated oscillators that allow for various configuration parameters to be set and changed at the same time. Such oscillators can be used to increase the frequency range and accuracy of a product. The 554AD000379DG is one such unique oscillator that offers excellent performance, versatility, and a wide frequency range.

Features

The 554AD000379DG is an advanced oscillator that provides a wide frequency range, up to 190 MHz, and features an adjustable frequency, low jitter, a low phase noise level, and numerous configuration options in a reliable and power-efficient package. The oscillator also features high accuracy and stability, making it ideal for high-precision applications.In addition, the 554AD000379DG\'s trimming capability and frequency range provide more flexibility and convenience when designing systems, allowing for an adjustable crystal frequency and any frequency from 1 MHz to 190 MHz to be selected. Furthermore, the oscillator also provides a low power consumption of less than 1.5 mW at an operating voltage of 1.65 V.

Application and Working Principles

The 554AD000379DG is an ideal oscillator for various application fields where high performance, adjustable frequency, and high stability/accuracy are necessary. This includes but is not limited to use in telecommunications and IoT setups wherein frequency precision and repeatability are important. Additionally, the adjustable crystal frequency provides increased accuracy and variability in frequency selection, making this oscillator incredibly versatile.This oscillator operates on the principle of utilizing a varactor diode that has a capacitance that is adjusted based on the frequency setpoint. As the voltage across the varactor increases, its capacitance decreases. This in turn increases the resonant frequency of the circuit and causes the oscillator to output at a new frequency.Additionally, the 554AD000379DG features integrated trimming pads that can be used to adjust the ratio of two different frequencies and thus attain an accurate frequency oscillation. Additionally, a built-in clock buffer-amplifier feature adjusts the signal level for incoming data inputs and output.

Conclusion

The 554AD000379DG is an advanced oscillator that offers excellent performance, versatility, adjustable frequency, and wide frequency range. Its trimming capability, low power consumption, and low jitter make it suitable for various application fields where precision and stability are important. Additionally, its integrated buffer-amplifier adjusts the signal level for incoming data inputs and output for increased accuracy and variability in frequency selection. As such, the 554AD000379DG is an ideal choice for those looking for an efficient and reliable oscillator.

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