SIT9005ACA1G-18NC

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Programmable oscillators are versatile devices that allow users to generate periodic signals accurately and easily. The SIT9005ACA1G-18NC is one such oscillator that is frequently used for applications for general purpose non-pin-compatible programmable oscillators.

The SIT9005ACA1G-18NC oscillator is designed to produce a basic signal while maintaining excellent frequency stability over a wide range of temperatures and during periods of shock and vibration. It offers a frequency range of 1.25 MHz to 18.00 MHz and a frequency stability of ±50 ppm across its operating temperature range of -40°C to +85°C. Its main advantage is its ability to maintain high frequency accuracy because it is built on an automated oscillator chip with a built-in reference and frequency adjustment control. This allows it to provide stable, low phase-noise performance, even with its low 17 mA operating current.

The SIT9005ACA1G-18NC oscillator operates in a wide variety of applications such as microcontrollers, telecommunications, broadcasting, automotive, and medical equipment. For example, it can be used in motor control and variable frequency drive systems, as well as in low-noise microcontrollers for automotive and telecom applications. For medical applications, its low jitter, good phase noise and fast settling time make it an ideal choice.

The SIT9005ACA1G-18NC oscillator\'s working principle is based on a digitally-controlled oscillator (DCO) architecture. This chip is built with on-chip reference circuits, frequency control logic and a frequency divider chain. The DCO works by first determining the output frequency and then producing the output frequency by controlling the frequency of the on-chip oscillator. This frequency is controlled by various signals such as a control signal input, a crystal oscillator, a set frequency signal, or a temperature signal. The control signal is provided by a microcontroller, and is used to set the output frequency. The crystal oscillator gives the DCO a reference signal, and the frequency divider chain reduces the frequency of the signal to the intended output. Finally, the output frequency is adjusted by a signal-trimming circuit.

The SIT9005ACA1G-18NC oscillator offers a wide range of features and benefits including low power consumption, good and excellent frequency stability, low jitter, and wide frequency range. It is also designed to provide precise frequency control, allowing users to easily adjust the frequency to suit their applications and offers excellent low-noise performance. Thus, this oscillator is ideal for applications such as microcontrollers, automotive, medical equipment, and telecommunications.

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