SIT9005ACU1G-28DK

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Programmable oscillators are special types of oscillator circuits with adjustable parameters so the end user can optimize the performance of the oscillator for the intended application. SIT9005ACU1G-28DK is one of the examples of programmable oscillators. It is a low-cost, low-power, high-performance Crystal Oscillator Assembly (COA) combining an oscillator IC and an on-board crystal into a single compact package.The SIT9005ACU1G-28DK is a dual-output programmable oscillator with a center frequency of 8MHz. It features an adjustable frequency range of 8MHz to 21MHz, with a wide frequency stability range of ±25 ppm. The frequency accuracy of the SIT9005ACU1G-28DK is typically ±20 ppm, which allows it to meet the requirements of most applications. The maximum operating temperature range of the SIT9005ACU1G-28DK is -35°C to +85°C. The SIT9005ACU1G-28DK has an output drive strength of 20mA and a low current consumption of 4mA.The SIT9005ACU1G-28DK is used in a variety of applications including automotive, medical and industrial. It is ideal for automotive applications where reliable, low-power, high-performance oscillator solutions are required, due to its low cost, low power consumption and frequency accuracy. In medical applications, the SIT9005ACU1G-28DK is often used for frequency control in medical imaging systems, as well as other medical device applications. Additionally, industrial applications such as Robotics, Factory Automation, and Data Acquisition systems often use the SIT9005ACU1G-28DK to provide reliable, low-power frequency control solutions. The SIT9005ACU1G-28DK programmable oscillator works by using a frequency-dividing chain composed of series and parallel capacitors and resistors to set the oscillator frequency. The actual frequency is determined by the values of the components in the chain, which can be allocated on the same PCB as the oscillator IC or programmed externally. The SIT9005ACU1G-28DK is programmed by connecting an external Programmable Logic Device (PLD) to the oscillator\'s programming port, which is normally a 6-pin header. The external PLD is then used to adjust the frequency divided chain and set the desired frequency with exact accuracy. The SIT9005ACU1G-28DK programmable oscillator also has an output limiter, which limits the maximum output amplitude of the oscillator\'s output signal. This feature is used to protect the oscillator from overload or distortion due to overdriving the output signal. The output limiter also ensures the signal output level is maintained at the correct level, ensuring the accuracy of the signal stays within the designed parameters.In addition to the output limiter, the SIT9005ACU1G-28DK also has a programmable slew rate, which allows the rise and fall times of the output signal to be adjusted. This feature is useful for applications requiring fast rising and falling edge accuracy, such as motor control applications. The SIT9005ACU1G-28DK can be programmed for a wide range of slew rates, ranging from 10ns to ~50ns.The SIT9005ACU1G-28DK is a versatile and reliable programmable oscillator capable of meeting the frequency control needs of many applications. Its wide frequency range and adjustable frequency accuracy, low current consumption, and adjustable output limiter and slew rate make it a great fit for automotive, medical and industrial applications where performance, reliability and low cost are paramount.

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