SG-8003CG-SDM

Frequency Stability:	±100ppm
Current - Supply (Disable) (Max):	50µA
Height:	0.031" (0.79mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	15mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SG-8003
Voltage - Supply:	2.5V
Output:	CMOS
Function:	Standby
Available Frequency Range:	1MHz ~ 166MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Not For New Designs
Packaging:	Tube

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Programmable Oscillators

Programmable oscillators are electronic components which are designed to produce a steady stream of periodic oscillations. They are widely used in a variety of applications, from radar, microwave and satellite communications, to automotive and scientific instruments. By creating or altering a certain frequency and phase, it is possible to customize an oscillator for a particular design or application; thus giving the user the flexibility to quickly and accurately adjust the oscillator’s settings.The SG-8003CG-SDM is a precision-controlled, programmable oscillator. This device offers a wide range of output frequencies and the flexibility to control phase, frequency and amplitude. The design includes an on-chip voltage regulator, providing better stability and robustness while reducing external component count, as well as enabling a single-supply operation.

Application Field

The SG-8003CG-SDM is well suited for communications, including Bluetooth and Wi-Fi, where fine control of frequency and phase are critical for reliable performance. The device is also an excellent choice for applications requiring an economical solution, such as clocking microcontrollers, digital-to-analog and analog-to-digital converters, and oscillators used in avionic systems.

Working Principle

The SG-8003CG-SDM utilizes a dual-loop architecture to enable precision control and fast frequency synchronization of oscillator output. The device first applies the VCO frequency control to a wide-range oscillator, and then tracks the oscillator’s output frequency with the frequency control loop. This method of control provides high frequency stability, even at low temperatures.The SG-8003CG-SDM also incorporates a low-noise charge-pump regulator, ensuring smooth and continuous frequency adjustability and providing good voltage regulation. The voltage regulator also supports a single power-supply operation, eliminating the need for an added bias supply.

Conclusion

The SG-8003CG-SDM is an ideal choice for applications such as communications, microcontroller and oscillator clocking, and avionics systems which require accurate frequency control and fine-tuning. Its dual-loop control architecture, single-supply operation, and low-noise charge-pump voltage regulator provide the user with precision control and reliable performance.

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