SIT9005ACT1H-18NH

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):	5.5mA
Spread Spectrum Bandwidth:	±1.03%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	1.8V
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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Overview

Programmable oscillators are instruments that provide low-cost, predictable timing of electronic signals with a wide variety of output frequencies. The SIT9005ACT1H-18NH Programmable Oscillator is a frequency synthesizer chip that was designed by SiTime Corporation to meet the growing need to generate accurate, stable, and low-cost timing control signals across a wide range of applications. This oscillator features an advanced design to assure consistent performance, no matter the environment or conditions. The SIT9005ACT1H-18NH is also highly configurable and can be tailored for specific applications, making it ideal for today\'s dynamic production environment.

Application Fields

The SIT9005ACT1H-18NH Programmable Oscillator is a popular choice for a wide variety of applications, and is regularly used in the communications, instrumentation, industrial, medical and ruggedized device markets. It is used to provide accurrate and stable timing control signals in the range of 1Hz to 18MHz frequency.The SIT9005ACT1H-18NH is especially useful in radio frequency (RF) applications, such as telecommunications systems, wireless and cellular networks, and wireless personal area networks. It is also useful in telemetry, navigation, and location-based services, as well as in remote sensing and control systems. Its ability to provide long period timing, as well as extremely stable frequency, makes it an ideal candidate for address, data and control timing applications.

Working Principle

At the heart of the SIT9005ACT1H-18NH Programmable Oscillator is its oscillator circuit. This circuit is based on an advanced design that includes a VCO (voltage-controlled oscillator) and a digitally-controlled clock generator.The VCO forms the core of oscillator. It uses an input signal to process and modulate the frequency and amplitude of an output signal. The SIT9005ACT1H-18NH features a low-phase noise, low-jitter, wide-swing VCO that is designed to provide a constant, stable output signal no matter the conditions or environment.The clock generator is responsible for generating a reference frequency for the VCO. This reference frequency is based on an input signal applied to the clock generator, which is then modulated by the VCO to create the desired output frequency. The SIT9005ACT1H-18NH incorporates a highly accurate, low-jitter, programmable clock generator that is designed to provide a constant, stable output signal with high frequency accuracy.The SIT9005ACT1H-18NH also features an on-chip temperature-compensated oscillator (TCXO), which is responsible for providing stable frequency results under varying temperature conditions. The TCXO circuit helps to ensure that the output signal is always accurate, stable, and reliable.The SIT9005ACT1H-18NH Programmable Oscillator also features a power-down mode, which allows the user to reduce power consumption while the oscillator is idle. This mode helps to extend battery life in portable devices and reduce system power requirements.

Conclusion

The SIT9005ACT1H-18NH Programmable Oscillator is designed to satisfy the demands of today\'s rapidly evolving and highly competitive industries. It features an advanced design with a wide range of output frequencies, low power consumption, and stable frequency results regardless of temperature. These features make the SIT9005ACT1H-18NH an ideal choice for a variety of products, including telecommunications systems, wireless and cellular networks, and other applications that require accurate and stable timing control signals across a wide range of frequencies.

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