SIT9121AC-2B-XXS

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Programmable Oscillators are an important part of virtually every electronic device in today’s world, from vacuum cleaners to pacemakers and from computers to military radar systems. Oscillators, such as the SIT9121AC-2B-XXS, generate an electrical signal at a predetermined frequency that is used as a reference to maintain accurate frequency or timing for a given application. This article will discuss the application field and working principles of the SIT9121AC-2B-XXS oscillator and how it is used in today’s market.

The SIT9121AC-2B-XXS oscillator is a digital programmable oscillator (DPO) that is optimized for low-power applications. It is housed in a tiny 5mm x 7mm TSSOP-20 package, making it a suitable choice for applications where board space is at a premium. It offers a wide frequency range of 16 kHz to 200 MHz, allowing it to be used in a variety of applications including consumer, automotive, industrial, networking, and medical. It features a flexible combination of programmable clock frequencies, power consumption of 110μW at 1 MHz and a low jitter of 350 fs, making this oscillator an ideal choice for designers who need a compact and efficient clock source that meets their low power, high performance requirements.

In addition to its low power consumption, the SIT9121AC-2B-XXS also features a wide temperature range of -40°C to +125°C and an impressive shock and vibration immunity of up to 35G peak acceleration and 10,000g vibration. These features make it suitable for applications such as automotive, military and avionics systems which require an oscillator that can maintain the highest standards. The SIT9121AC-2B-XXS oscillator is also capable of operating over a wide range of input voltages, from 1.8V to 3.3V, making it ideal for devices that need to run on a variety of different power supplies.

At its core, the SIT9121AC-2B-XXS oscillator utilizes a frequency-control element (FCE) which can be programmed to a set frequency range via a serial bus. This is then combined with an oscillator circuit which ensures a high level of accuracy and stability over a wide range of temperatures. The oscillator circuit also includes a dedicated low-noise crystal reference, which is usually associated with quartz crystals or other types of temperature-compensating materials such as ceramic resonators. This reference is used to ensure that the oscillator circuit is consistently accurate and stable over time, and is even capable of self-adjusting in extreme temperature conditions.

Once the oscillator is programmed with the desired frequency, it can then be used to provide an exact reference clock for a variety of applications. The SIT9121AC-2B-XXS oscillator is popular for use in timing applications such as clocking memory, communications, and video. It is also widely used in devices such as radios, TV’s, satellite receivers, and even particle accelerators. In addition, it can be used in timing networks, automatic test equipment, and autonomous systems.

The SIT9121AC-2B-XXS oscillator is a reliable, low-power programmable oscillator that has been designed to meet the needs of the modern designer. Its flexible combination of features and package size make it suitable for a wide range of applications, while its wide temperature range and shock and vibration immunity make it a viable solution for more extreme conditions. Its ability to adjust its frequency accurately and with a long-term stability make it the ideal choice for applications where precise timekeeping is required. By providing designers with a compact and efficient oscillator that meets their needs, the SIT9121AC-2B-XXS oscillator is well-positioned to ensure that its users can safely rely on the accuracy and timing that is necessary for their applications.

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