SIT9005ACB1D-18EL

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	5.2mA
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):	5.5mA
Spread Spectrum Bandwidth:	-3.18%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	Enable/Disable
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 OscillatorsIntroductionProgrammable oscillators are electronic devices designed to generate a regular sequence of specific frequency waveforms with precise timing. They are ideal for communication and instrumentation applications in which waveforms must be controlled and generated accurately. The SIT9005ACB1D-18EL is an example of a programmable oscillator that can be used in a wide range of applications.Working PrincipleThe SIT9005ACB1D-18EL is a programmable oscillator based on analog phase-locked loop (PLL) technology. It consists of a voltage controlled crystal oscillator (VCXO) and a reference oscillator, both of which are connected to a phase detector and a charge pump. The VCXO generates an output waveform whose frequency is controlled by a voltage applied to its input terminals. When the reference oscillator and the VCXO frequencies are in-phase, the charges in the pump remain at a steady level and the output is a stable waveform. However, if the reference frequency and the VCXO frequency are not in-phase, the phase detector and the pump generate a positive or negative charge which maintains the frequencies in phase. This results in a stable and precise waveform, even when the applied voltage is changed.ApplicationsThe SIT9005ACB1D-18EL is a programmable oscillator designed for a wide range of applications. It is particularly well-suited for telecommunications and instrumentation systems, where its precise waveform control is useful. The device can be used to generate clock signals for high-speed Ethernet, data acquisition systems, and RF communications. It can also be used in embedded systems, smart card readers, and for time- division multiplexing (TDM) systems. Additionally, the device can be used for other general purpose applications such as test and measurement equipment, medical instruments, and various radio applications.The SIT9005ACB1D-18EL offers excellent performance characteristics, such as a low power dissipation, low output noise, low jitter, and a wide range of input voltage and frequency ranges. The device also features an output power-on reset for standard 3.3V logic levels, and a wide operating temperature range from -40° to +85° Celsius.ConclusionThe SIT9005ACB1D-18EL is a programmable oscillator designed for a wide range of applications including telecommunications and instrumentation systems, embedded systems, smart card readers, and test and measurement equipment. The device offers excellent performance characteristics, such as a low power dissipation, low output noise, and a wide range of input voltage and frequency ranges. With its precise waveform control capabilities, the SIT9005ACB1D-18EL is suitable for a wide range of applications, making it a reliable and versatile choice for a variety of applications.

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