SIT9005ACT1G-XXDD

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
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):	6.5mA
Spread Spectrum Bandwidth:	-1.04%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	2.5 V ~ 3.3 V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Introduction

Programmable Oscillators are versatile devices which are widely used in the electronics industry. These devices are programmable digital or analog devices which can be customized to meet the needs of different applications. The SIT9005ACT1G-XXDD is a programmable oscillator which offers a wide range of features and flexibility to meet the requirements of many modern technologies.

SIT9005ACT1G-XXDD Application Field

The SIT9005ACT1G-XXDD is an ideal solution for applications that require precision frequency and phase modulation. This device can also be used in communication, audio, medical, industrial, automotive and other control monitoring applications. This programmable oscillator supports frequency control modes such as direct Digital synthesis with a Wide Tuning range up to 66MHz, Clock Synthesis with up to 512kHz frequency and low noise, and Frequency Sweep Sweep with programmable range and profile.In addition, the SIT9005ACT1G-XXDD can be used in telecommunications, computer, video, and other engineering applications. It has both single ended and differential outputs along with an adjustable output drive capability up to 20 milliamps. This oscillator has found its way into many noise sensitive applications by providing precise noise control and time control.

SIT9005ACT1G-XXDD Working Principle

The SIT9005ACT1G-XXDD uses a combination of an oscillator and a voltage controlled oscillator (VCO). The oscillator is responsible for generating the fundamental frequency, while the VCO is responsible for generating the higher frequencies.The oscillator used in the SIT9005ACT1G-XXDD adopts the phase-shift technique, which is basically the tracking between the output frequency and the input reference frequency. It basically maintains a high level of stability and accuracy over the entire output frequency range.The VCO is used to produce higher frequencies than the oscillator. The SIT9005ACT1G-XXDD VCO uses a Resonant Frequency Synthesis (RFS) approach in order to tune the output frequency to any desired level between a minimum and maximum frequency.

Bonding and Package Information

The SIT9005ACT1G-XXDD package is available in a 16-pin, 1.20mmx1.20mm, quad flat (QFN) package. The package has a standard pinout as well as an optional pinout for compatibility with logic devices. The device has a Thermal width of 0.115mm and a Thermal height of 0.125mm.The SIT9005ACT1G-XXDD also has a standard bonding attributes as well as an optional bonding attributes. The optional bonding allows finer pitch components to be used while the standard bonding is the preferred choice for speeds up to 132MHz. The bonding technology is optimized for optimal robustness and has a very low in-band and out-of-band jitter.

Conclusion

The SIT9005ACT1G-XXDD is a versatile and reliable programmable oscillator which is tailored to meet the stringent requirements of many applications. It supports a wide range of frequencies, has a low noise output, and provides a very low jitter. It uses a combination of an oscillator and a voltage controlled oscillator to generate the frequencies. Finally, the device is available in a 16-pin, 1.20mmx1.20mm, quad flat (QFN) package and has an optional pinout for compatibility with logic devices.

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