SIT9005ACR1D-18NL

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Programmable oscillators are oscillators whose parameters such as frequency, phase and duty cycle can be adjusted or programmed while the oscillator is operating. The SIT9005ACR1D-18NL is a programmable oscillator IC that offers a wide frequency range and high stability. This IC provides low jitter, low phase noise, and a fast frequency range. It is an ideal solution for communications, medical, aerospace, and military applications.

The SIT9005ACR1D-18NL is a CMOS device designed for low-power, wide frequency range and fast frequency switching applications. It can be used for frequency synthesis, clock and timebase generation, and for phase-locked loop applications. The oscillator is fully programmable with an I2C bus, allowing users to configure and tune the oscillation frequency with a 7-bit step size. Additionally, the device features a wide frequency range (1 to 500 MHz), and high accuracy over temperature and voltage.

The SIT9005ACR1D-18NL has several features and functions: ring type oscillator; frequency trimming; temperature stability; 1 PPS, 2 PPS and 100 Hz outputs; programmable duty cycle; and a low start-up voltage. It accepts an input voltage from 0.5 to 4V and is capable of operating at temperatures from -40°C to +85°C.

The SIT9005ACR1D-18NL utilizes a unique structure known as a ring type oscillator (RTO) which consists of an active amplifier stage and two RC networks. The one-shot output of the RTO is connected to the input of the amplifier stage and the two RC networks are connected to the output of the amplifier. The two RC networks are arranged in a ‘ring’ configuration, providing a low frequency output with very high stability of oscillation. This arrangement also allows for a wide range of frequency selection.

The RTO also provides a fast frequency switching capability. The frequency can be changed in as little as 5 ms by simply adjusting the amplifier stage. This allows the SIT9005ACR1D-18NL to have a programmable duty cycle and an adjustable voltage-controlled oscillator (VCO) for a wide range of frequency tuning and switching applications.

The superior characteristics of the SIT9005ACR1D-18NL enable its use in a wide range of applications including industrial, telecommunications, and medical applications. The advanced CMOS logic design reduces power consumption and makes the device suitable for low-power applications. The fast switching time and wide frequency range make it ideal for broadcasting and communication systems.

The SIT9005ACR1D-18NL is an excellent choice for applications requiring low jitter, low phase noise, and fast frequency switching. It is a versatile programmable oscillator IC that offers a wide range of features and functionality to suit different applications. Its unique combination of features makes it an ideal choice for applications such as clock and timing circuits, frequency synthesis, and phase-locked loops.

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