SIT9120AC-2C-XXE

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Programmable Oscillators are electronic components that produce a periodic signal wave with fixed timing intervals. They are commonly used in various applications such as clock generation, signal synchronization, frequency division, frequency multiplication and in data communication systems. This article discusses the application field and working principle of the SIT9120AC-2C-XXE Programmable Oscillator.

The SIT9120AC-2C-XXE Programmable Oscillator is an ultra-low-cost programmable oscillator solution intended for applications requiring an accurate, low-power frequency source. The device is programmable over a frequency range of 16 KHz to 40 MHz. It is used in wireless charging networks, optical communication systems, RF signal sources, etc. It can also be used in automotive, medical, military, and other highly sensitive applications due to its low jitter performance.

The SIT9120AC-2C-XXE Programmable Oscillator utilizes a patented direct-digital synthesis (DDS) architecture to generate stable frequencies within ±200ppm accuracy. This enables the device to provide user-configurable frequency outputs over its broad frequency range. The DDS architecture also allows for a low standby current consumption, making it suitable for battery-powered applications. It also features a wide temperature operating range from -20 degrees Celsius to +70 degrees Celsius, as well as a very low input voltage from 1.1V to 3.6V.

The SIT9120AC-2C-XXE Programmable Oscillator is offered with a single-ended output and a dual-ended output configuration, making it suitable for applications with both single-ended and differential signal requirements. In addition, thanks to its on-chip frequency multiplying capability, the SIT9120AC-2C-XXE can be programmed to output high frequency signals up to 40 MHz with greater time-domain accuracy. This feature makes the SIT9120AC-2C-XXE particularly well-suited for communications and digital audio applications.

Compared to other programmable oscillators, the SIT9120AC-2C-XXE Programmable Oscillator features several advantages. It allows for low standby current consumption and programming flexibility, ease of design, and the capability to develop very complex systems with multiple clocks. In addition, the efficient synthesis architecture helps reduce the size and complexity of the board that would be required for the system. This is due to the high frequency and low phase-noise performance of the characteristic of this device.

The SIT9120AC-2C-XXE Programmable Oscillator is highly configurable in terms of setup, user interface, and control. This allows designers to easily program the oscillator to generate a desired frequency without any additional hardware. Different programming interfaces, such as serial control, simple I2C, or digital control are available depending on the application. The SIT9120AC-2C-XXE also offers internal EEPROM data storage for storing frequency settings, which can be kept constant even when the device is powered down.

In conclusion, the SIT9120AC-2C-XXE Programmable Oscillator is a versatile and highly configurable device that enables designers to easily generate desired frequencies with low power consumption and negligible jitter performance. The device offers excellent frequency stability and accuracy along with a wide temperature range and a variety of programming interfaces. Thus, it is ideal for applications demanding extremely accurate clocks, such as automotive, medical, military and industrial use.

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