516CHA000260AAGR

Function:	Enable/Disable
Current - Supply (Disable) (Max):	22mA
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):	29mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±20ppm
Voltage - Supply:	3.3V
Output:	CMOS
Series:	Si516
Frequency - Output 4:	--
Frequency - Output 3:	--
Frequency - Output 2:	--
Frequency - Output 1:	148.35165MHz, 148.5MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Pin configurable and selectable oscillators, such as the 516CHA000260AAGR, provide designers with a wide range of flexibility for their system designs. Oscillators are used for timing and synchronization in all kinds of electronic designs, from desktop computers to embedded systems, and from automotive technologies to medical devices. The choice of oscillator can play a key role in determining the system performance, reliability, and cost. The 516CHA000260AAGR from Abracon Corporation is a selectable, high frequency un-jittered oscillator, featuring a wide range of frequency selectability, excellent long-term stability for lower EMI, and a low current that enables power savings.

Application Field

The 516CHA000260AAGR oscillator is a versatile device, perfectly suited to many applications. These include telecommunications, medical and industrial automation, communications systems, storage, computer peripherals and embedded systems.The 516CHA000260AAGR is particularly suitable for achieving very low phase noise performance within the frequency band from 200MHz to 2000MHz. Its very low thermal and electrical jitter, and very wide output stability, makes it ideal for applications such as high-speed Ethernet, cellular mobile communications, and Wi-Fi, as well as many other applications that require an extremely accurate signal.

Working Principle

The 516CHA000260AAGR oscillator operates via a negative voltage-controlled crystal oscillator (VCXO) circuit architecture. The device is a complete oscillator solution, incorporating the necessary oscillator circuit, crystal, and all the necessary components to realize proper operation, with an output waveform that is typically sine-wave.The frequency selection is provided by an on-chip selectable resistor network. The resistor network is connected to the port B of the internal oscillator controller IC, which controls the supply voltage applied to the crystal, thus allowing for the fine-tuning of the oscillator frequency.The device also features a full-scale digital temperature compensation technique as well as a wide range of operational parameters that make it especially suitable for high-stability applications.

Conclusion

The 516CHA000260AAGR is a selectable, high-frequency oscillator, designed for use in applications where very low phase noise, wide output stability, and wide frequency accuracy over a wide temperature range are required.Incorporating its own oscillator controller IC, crystal, and all the necessary components, the 516CHA000260AAGR simplifies implementation by eliminating the need for additional external components. Combining this with its wide frequency tuning range, excellent long-term stability, and low current consumption makes the 516CHA000260AAGR an ideal choice for a wide range of high-performance applications.

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