DSC400-0101Q0082KI2T

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Pin Configurable/Selectable Oscillators

Pin configurable oscillators are unique type of oscillators which are defined by the ease of setting up a frequency. They are divided into two main categories: programmable and selectable. Programmable oscillators require the use of the I2C or SPI control interface in order to change their frequency. On the other hand, selectable oscillators have already programmed various frequencies in their output. By utilizing EEPROM or a pin which can be set to a binary value, user can easily select one of the programmed frequencies.

One of the pin configurable/selectable oscillators is the DSC400-0101Q0082KI2T. It is a low-cost, programmable oscillator and operates over a wide frequency range of 0.1 MHz to 160 MHz. It is available with a number of frequency selections that enable the user to choose from one of several predetermined frequencies. The maximum frequency specified for this oscillator is PECL 500 MHz.

DSC400-0101Q0082KI2T Application Field

The DSC400-0101Q0082KI2T is suitable for a wide range of applications such as embedded AI, edge computing, ultra-low latency communication, high-end digital signal processing, 4G/5G infrastructure and automotive applications. It is also ideal for applications that require multiple oscillators in a single package. In addition, its features make it an excellent choice for applications that require precise control of an oscillator frequency or synchronization between multiple frequencies.

DSC400-0101Q0082KI2T Working Principle

The DSC400-0101Q0082KI2T oscillator works by generating a periodic, square wave output. This wave output is triggered by an internal oscillator which can be controlled with a pin, or through an SPI or I2C port. The frequency of the oscillator is determined by the Input Reference Frequency (RFin), the period of which can be programmed with a resistor, capacitor, or by an on-chip programmable frequency divider. Depending on the configuration, the frequency can be adjusted in 1 Hz steps up to 500 MHz.

The oscillator requires an external power source ranging from 2.2V to 3.3V with 10 uW power consumption to ensure low power operation. It also features a power-down mode which allows it to enter a low power state when not in use. In addition, it sports a wide temperature range of -40°C to 105°C, making it suitable for use in a variety of environmental conditions.

In order to adjust the frequency of the oscillator, a resistor is connected between the Input Reference Frequency (RFin) and ground, and a capacitor between RFin and the oscillator’s output. Once these components are connected, the oscillator can be set to the desired frequency by adjusting the resistor and capacitor values.

Finally, the DSC400-0101Q0082KI2T features an integrated temperature compensation circuit which helps to maintain accurate frequency output over a wide temperature range. This helps to ensure that the oscillator stays calibrated and accurate, even when it’s exposed to extreme temperature changes.

Conclusion

Overall, the DSC400-0101Q0082KI2T is a versatile and reliable pin configurable/selectable oscillator designed for a wide range of applications. It features a wide frequency range, low power consumption, a wide temperature range, and integrated temperature compensation to ensure accuracy and stability. Finally, its programmable output makes it a perfect choice for applications requiring precision oscillator control.

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