SIT9005ACU2H-30SE

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Programmable oscillators are specialized circuits whose output frequency can be adjusted with an external control mechanism. The SIT9005ACU2H-30SE is a 3.3V programmable oscillator with HCMOS/TTL compatible output designed for a variety of communications and computing applications. It features a wide frequency range from 1MHz to 138MHz, an ultra-low current consumption of 75µA typical, a high frequency stability of 10 ppm, and excellent temperature range from -40°C to +105°C.

The SIT9005ACU2H-30SE is an ideal solution for a number of embedded and networking applications. It is used in Ethernet Switching and VoIP systems, video conference applications, radio transmitters and receivers, automotive HVAC and infotainment systems, broadcast video systems, public announcement systems, and many other applications requiring precise and stable frequency control.

The SIT9005ACU2H-30SE provides excellent frequency savings, as well as fast frequency settling time and excellent jitter performance. Its programmable feature allows it to be programmed over the standard SPI or I2C interface to a wide range of frequencies (1MHz – 138MHz). This makes it ideal for applications that require frequencies that are changed frequently, or those applications where the frequency needs to be adjusted according to the system conditions such as temperature, voltage, etc.

The SIT9005ACU2H-30SE application field is focused mainly on networking and communication systems since it offers excellent frequency stability, a wide operating temperature range, and low current consumption. In addition, its programmability also allows for flexible frequency requirements that are easily met with simple modifications to the system software. Its economical price tag makes it a cost-effective solution to many high-volume applications.

The working principle behind the SIT9005ACU2H-30SE programmable oscillator relies on a phase-locked loop (PLL) mechanism. This is a type of electronic circuit that allows for precise control of an electrical signal’s oscillation frequency. The circuit is made up of an oscillator with a frequency control input and a feedback network. When an electrically adjustable control parameter is changed, the change is detected by the oscillator and the output frequency is adjusted accordingly. The adjustable control parameter is usually a voltage, a current intensity, or a resistance current.

In conclusion, the SIT9005ACU2H-30SE is a highly versatile programmable oscillator that provides outstanding performance in communication and embedded applications. Its high frequency stability, wide operating temperature range, and low current consumption make it well suited for a range of mission-critical applications. Its programmable frequency range allows for quick and easy integration in existing systems and applications. Finally, its economical price tag makes it a cost-effective solution for many high-volume projects.

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