554CE000318DGR

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):	98mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±20ppm
Voltage - Supply:	3.3V
Output:	CMOS
Series:	Si554
Frequency - Output 4:	--
Frequency - Output 3:	--
Frequency - Output 2:	--
Frequency - Output 1:	91.392MHz, 92.16MHz, 100MHz, 104MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Pin Configurable/Selectable Oscillators

Pin configurable/selectable oscillators are extremely versatile components that are widely adopted for a variety of applications. This article will focus on the particular component 554CE000318DGR and discuss its application field and working principle. As a pin configurable/selectable oscillator, 554CE000318DGR allows users to configure different oscillation frequencies through its pin configuration, eliminating the need for purchasing many different crystal components. Furthermore, it is able to repeatedly switch frequencies after the component has been configured, giving customers more flexibility in their electronic designs. 554CE000318DGR can also be used with leading frequency control solutions in order to increase the accuracy of frequency tuning. Using 554CE000318DGR, users can expect to experience repeat accuracy of +/- 0.5ppm over the -40℃ to +85℃ temperature range. This component is also physically robust, meaning it can undergoes high levels of vibration and shock without being damaged. And it is relatively power efficient, only consuming small amount of power to guarantee maximum performance from the device. 554CE000318DGR’s wide frequency range (10 kHz to 160 MHz) makes it suitable for applications such as IoT clocks, Wi-Fi, Bluetooth and WLAN transceivers, digital signal processors, medical imaging, industrial control and network servers. As such, the component’s frequency control accuracy, wide range of operation and fast lock times make it a good choice for high frequency circuits and base band systems. In order to understand better how 554CE000318DGR functions, one must look at its specific working principle. It utilises a differentiator-integrator circuit to feed back its oscillating signal which determines its effective frequency. The capacitive tuning elements, configured by its pin configuration, is then used to adjust the feedback of the signal and hence, controlling the effective frequency. It is because of this combination of the two techniques that allows customers to control the pins of 554CE000318DGR and hence the output frequency. To conclude, 554CE000318DGR is a pin configurable/selectable oscillator that is suitable for a wide variety of different applications. Its wide frequency range, high frequency control accuracy and fast lock times, along with its robustness and small power consumption make it a versatile component for customers to embed in their designs. Understanding the working principle of the component allows users to extract the most from the components and hence make their electronic systems as efficient and reliable as possible.

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