ACO-32.768MHZ-EK

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Oscillators are used in various aspects of electronics and electrical engineering, including applications such as communication, computing, medical, and audio. A common oscillator in this field is the ACO-32.768K MHZ-EK. This oscillator is used for timing-critical applications due to its high accuracy and stability over a wide temperature range. In this article, we will discuss the applications and working principle of the ACO-32.768M MHZ-EK oscillator.

Applications of ACO-32.768M HZ–EK Oscillator

The ACO-32.768M HZ–EK oscillator is primarily used in embedded systems for real-time clock (RTC) functions. The oscillator is also used in communications equipment such as modems and GSM receivers, as well as in PCs, mechatronics, and medical equipment for high-accuracy timekeeping. Additionally, its extended frequency range makes it suitable for applications that require exact temporal synchronization.

Working Principle of ACO-32.768M HZ-EK Oscillator

The ACO-32.768M HZ–EK oscillator is an athermal quartz oscillator with a frequency range from 8.192 MHz to 32.768 MHz. The oscillator consists of an AT-cut quartz crystal resonator and a specially designed integrated circuit to produce a highly accurate time base. The integrated circuit uses a quartz crystal to generate a stable, precise frequency. The frequency is then divided down to 32.768 kHz. This is the frequency at which the microprocessor operates, and is normally used for real-time clock applications.

The accuracy of the oscillator is maintained by the quartz resonator, which is precisely cut and polished such that it only vibrates at one precise frequency. This is done with a low temperature coefficient, allowing the oscillator to remain stable over a wide temperature range of -20°C to +70°C. The temperature stability of the oscillator is maintained by controlling the power consumption, which is done by the pulse stretching circuit. This circuit stretches each cycle of the waveform to a preset limit, greatly reducing the peak current.

The frequency output is temperature compensated and is highly reliable, with short-term and long-term stability of ±10 PPM and ±25 PPM respectively. The oscillator also features a low power consumption of 18 mW max for the entire oscillator circuit, ensuring reliable and consistent performance.

Conclusion

The ACO-32.768M HZ–EK oscillator is a highly accurate timing reference for embedded systems, communications equipment, and other precision applications. Its extended frequency range, stability, and low power consumption make it an ideal choice for real-time clock applications. With its temperature stability and low current consumption, the oscillator can provide reliable, consistent timing to systems with the most stringent requirements.

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