552AH000145DG

Function:	Enable/Disable
Current - Supply (Disable) (Max):	75mA
Package / Case:	6-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:	±20ppm
Voltage - Supply:	3.3V
Output:	LVPECL
Series:	Si552
Frequency - Output 4:	--
Frequency - Output 3:	--
Frequency - Output 2:	82.1777MHz
Frequency - Output 1:	78.0867MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tray

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Pin Configurable/Selectable Oscillators: 552AH000145DG Application Field and Working Principle

Pin configurable/selectable oscillators are used in a variety of applications, primarily to improve system stability and reduce system power consumption. The 552AH000145DG is a precision oscillator, developed to meet the high accuracy and low power requirements of many applications.This article examines the application field and working principle of the 552AH000145DG oscillator. First, a discussion of the device’s application field will be followed by a description of its working principle.

Application Field

The 552AH000145DG is used for ultra-low power motor control and system synchronization in applications such as embedded systems, robotics, automobiles, and automation. The device is designed to run with minimal power consumption, from just 2 µA at a 6 MHz operating temperature.The 552AH000145DG’s precision accuracy and stability is also ideal for portable electronic applications. It has a 0.2 PPM accuracy along its operating temperature range for both rising and falling edges. This feature allows for highly accurate and reliable system synchronization in low power portable devices.

Working Principle

The 552AH000145DG is a pin configurable/selectable oscillator that uses an on-chip PLL to achieve its low power consumption. The device’s various settings can be programmed through six pins.The oscillator uses a feedback loop of a control signal and an internal VCO to maintain an output frequency that is determined by the external circuit. The control signal is provided with 3.3V DC and is then compared to the internal VCO to create an output frequency of 10 -50MHz.The device features an integrated crystal, which is synchronous to its internal VCO, allowing it to achieve a frequency accuracy of 0.2 PPM. The crystal also has integrated ESD protection, making it more reliable and durable under various environmental conditions.The 552AH000145DG also has an integrated power-saving mode that can be enabled when transferring data or idle. When power-saving mode is active, the device draws less than 1µA.

Conclusion

The Pin configurable/selectable 552AH000145DG oscillator is an ideal device for portable, low power applications that require a high degree of accuracy and stability. Its integrated crystal and power-saving mode enable it to achieve an accuracy of 0.2 PPM with minimal power consumption. The six pins programming and integrated ESD protection add further to its reliability and versatility.

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