SIT9005ACU2H-18DK

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Programmable oscillators are electronic devices that generate an output signal with a frequency determined by the user, typically via a microcontroller or other control interface. The SIT9005ACU2H-18DK is one such oscillator. It is an ultra-low power oscillator optimized for power-sensitive applications, with a fast start-up time and a high-precision frequency synthesis path.

The SIT9005ACU2H-18DK is a digital-controlled oscillator (DCO) that is designed to synthesize frequencies in the kHz range. The device is designed to provide high precision with low power consumption, while allowing for rapid frequency synthesis. The device operates at frequencies between 8kHz and 16kHz and can be divided into five user-selectable frequency bands with a small error frequency margin.

The SIT9005ACU2H-18DK uses an oscillator module with an on-chip temperature-compensated crystal oscillator (TCXO) and a switching logic block to generate the desired frequency. This logic block is used to quickly switch between different frequencies and to select the desired frequency from a range of frequencies. The switching logic block is controlled by a user-programmable frequency selection circuit, which is supported by a microcontroller or other user-programmable electronic device. The microcontroller or electronic device can be connected to the SIT9005ACU2H-18DK via an SPI (Serial Peripheral Interface) or I/O (Input/Output) port to control and select the desired frequency.

The SIT9005ACU2H-18DK is designed to provide a wide frequency range while allowing for rapid frequency synthesis. It is well suited to applications that require reliable frequency synthesis with low power consumption. As it can be programmed quickly by a microcontroller or other control system, it is also suitable for applications where frequency changes are needed often or quickly. Such applications include, but are not limited to, medical instrumentation, digital audio, smart devices, and clocks.

The SIT9005ACU2H-18DK utilizes a low-power, high-speed oscillator module, comprising a TCXO and a switching logic block, which allows for fast frequency synthesis. Once the desired frequency is programmed in the device, the oscillator module begins operating, with a low jitter frequency synthesis path. This ensures stability in the output signal, even with varying environmental conditions. In addition to this, the device is designed to consume very low power, making it an attractive choice for power-sensitive applications.

In summary, the SIT9005ACU2H-18DK is a programmable oscillator designed to provide high frequency accuracy while consuming low power. It is suitable for applications where frequency changes are needed often or quickly and its low-power, high-speed oscillator module and temperature-compensated crystal oscillator (TCXO) enable a wide range of frequencies. Its fast start-up time and high-precision frequency synthesis path also make it an excellent choice for medical instrumentation, digital audio, smart devices, and clocks, among other applications.

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