SIT9005ACA1G-25SC

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	4.3µA
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:	-0.78%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	2.5V
Output:	LVCMOS
Function:	Standby
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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Programmable Oscillators: SIT9005ACA1G-25SC

Programmable oscillators (POs) are electronic components used to generate clock signals or other electronic signals of known frequencies. SIT9005ACA1G-25SC is one type of PO that consists of a voltage-controlled crystal oscillator (VCXO), which contains a crystal disk, an oscillating circuit, a temperature-compensated capacitor, and an integrated circuit. Its output may be adjusted to a desired frequency within its frequency range. The SIT9005ACA1G-25SC is designed to provide a fixed frequency within the range of 50 to 200MHz. This versatile device has excellent frequency stability with low phase noise - typically ±1ppm stability over the industrial temperature range. It also offers a fast start-up time, high-frequency accuracy, minimal package size, and low current consumption.

Applications

SIT9005ACA1G-25SC is an ideal choice for industrial and telecommunications applications due to its frequency tolerance and stability. It can be used as a system clock for test and measurement equipment, frequency synthesisers, base station communication systems, and other precision applications. The design flexibility, high performance, and cost-effectiveness of the device make it an attractive solution for these applications.

Working Principle

SIT9005ACA1G-25SC consists of a crystal disk, an oscillating circuit, a temperature-compensated capacitor, and an integrated circuit. The VCXO utilizes the piezoelectric effect of a quartz crystal to provide its frequency stability. By applying an external voltage to the crystal, the crystal \'s frequency can be adjusted or fine-tuned to a given frequency. The oscillating circuit then amplifies this frequency and generates an output signal.The SIT9005ACA1G-25SC also incorporates an input circuit that allows the IC to receive an external control voltage. This control voltage is used to further adjust the output frequency of the device, allowing it to achieve optimal performance and accuracy.In summary, SIT9005ACA1G-25SC is a versatile PO made for industrial and telecommunications applications. It offers excellent frequency stability, fast start-up, high accuracy, and minimal package size. The device utilizes the piezoelectric effect of a quartz crystal to adjust its output frequency and an external control voltage to fine-tune the frequency for optimum accuracy.

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