579S192ITT

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Oscillators

Oscillators are electronic circuits made up of electronic components like resistors or capacitors. They are used to generate a continuous, periodic output signal of a certain frequency, often becoming the timebase for measuring devices. The 579S192ITT oscillator is a low-cost, low-power CMOS oscillator suitable for use in various applications.

579S192ITT Application Field

The 579S192ITT oscillator offers an optimal solution for applications such as digital medium-power timing circuits, precision frequency reference, switching power supply, PCs, cellphone, security and automotive infotainment systems. It is built on a technology called “Direct Interrupt Timer”, eliminating the need for an external crystal, making it more reliable and space saving compared to other oscillators.

Working Principle

The 579S192ITT oscillator works on the principle of direct interrupt timing. It is a CMOS oscillator with a built-in frequency-determining external resistor (and optionally capacitor) and an internal timing circuit that consists of a positive feedback loop and a comparator. To start oscillation, the feedback loop repeatedly charges, discharges and then compares the input voltage. When the voltage reaches a predetermined level, it triggers an interrupt to the CPU, causing the CPU to reset the feedback loop. This cycle repeats constantly, maintaining a steady, periodic output signal.

The main advantage of the 579S192ITT oscillator is its low power consumption and cost effectiveness, making it an ideal choice for any application requiring timing precision and stability. It can be tailored to a specific application by selecting the correct external resistor and capacitor.

Conclusion

The 579S192ITT oscillator is a low-cost CMOS oscillator, suitable for applications such as digital medium-power timing circuits, precision frequency reference, switching power supply, PCs, cellphone, security and automotive infotainment systems. It works on the direct interrupt timing principle, consuming little power and providing precision timing with cost effectiveness. In conclusion, the 579S192ITT oscillator is an ideal choice for any application requiring timing precision and stability.

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