SIT9005ACL2H-18NH

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Programmable oscillators are a type of electronic circuit designed to generate signals with a predetermined and precisely reproducible frequency and phase. SIT9005ACL2H-18NH is one example of such a device. It is a low-jitter integrated programmable clock generator for communication, computing, and embedded systems applications.

The SIT9005ACL2H-18NH features an all-digital PLL, a SPI interface, a high-voltage CMOS output stage, and a power-down capability. The device can generate clock frequencies up to 1850 MHz with a possible frequency jitter of 45 fs, while consuming ≤ 2.3W of power. The programmable PLL can be used to generate any type of clock frequency with a wide range of adjustment accuracy.

The SIT9005ACl2H-18NH can also be programmed to accurately adjust the duty cycle of the output signals. This feature allows designers to design clocks with continuous duty cycle adjustments or asymmetrical duty cycle. The device is also capable of generating spread spectrum clock signals featuring a “chirp” design that reduces EMI radiation from the devices.

The main application of devices like the SIT9005ACL2H-18NH is in high-speed communication and computing systems, where precise and stable clock signals are required. It is used in a wide range of systems, from embedded controllers to high-performance computing systems. Other applications include digital signal processing, data transmission, and digital media systems. The device is also used in industrial test systems, audio systems, and other data acquisition systems.

The SIT9005ACL2H-18NH is also found in many different types of equipment. It is used in medical instrumentation and medical imaging systems, process control systems, automotive engine control systems, and power electronics. The device is also used in navigation systems and mobile phones.

The SIT9005ACL2H-18NH utilizes a high-performance CMOS process and operates from a 3.3V supply. It has an SPI interface, input/output buffers and clock outputs. It includes an internal oscillator and can be programmed to generate a variety of clock signals with required characteristics. The device can achieve extremely low output jitter levels of about 0.4 ps.

The working principle of the SIT9005ACL2H-18NH is based on a combination of programmable digital-analog circuits and digital timing circuits. The programmable circuits generate the required output parameter settings and allow specifying the desired frequency and phase. Digital timing circuits then create a signal that follows the prescribed output settings.

The output signal generated by the SIT9005ACL2H-18NH has a wide range of adjustable parameters, such as frequency, duty cycle, slew rate and delay, enabling a greater degree of flexibility for the user. It is also equipped with a power-down mode, which enables the device to be put into a power state with minimal power consumption.

The SIT9005ACL2H-18NH is a versatile, low-jitter programmable clock generator designed for use in a wide range of communication, computing, and embedded systems. It features a programmable PLL, a SPI interface, and a high-voltage CMOS output stage. Its low power consumption and precision timing make it ideal for use in high-speed communication and computing systems.

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