AX7DAF2-644.53125T

Oscillators are electronic devices that are used to produce repetitive, oscillatory electronic signals for use in various electronic circuits. In a nutshell, an oscillator is an electronic circuit that creates an oscillating voltage or current with a certain frequency, and when capacitors and inductors are added to the circuit, then the oscillator can produce a more complex waveform. One type of oscillator is the AX7DAF2-644.53125T.

Application Field

The AX7DAF2-644.53125T such oscillator is a precise and low power crystal oscillator that is dedicated to the networking sector, such as for Ethernet applications. It operates off a 5V power source and has a frequency range of 0.1875MHz to 8MHz. The specifications include a temperature range from -40ºC to +85ºC and a supply current of 8mA max. It also has a 1uA start-up current and a frequency stability of ±100PPM, making it an ideal choice for high precision monitoring and time-keeping applications.

Working Principle

The working principle of the AX7DAF2-644.53125T crystal oscillator involves a parallel resonant circuit consisting of the AT-cut crystal and two series capacitors. This circuit is called an LC circuit, and it is responsible for producing the oscillations. The oscillations are generated by the crystal being alternately charged and discharged, producing a regular frequency that is determined by the frequency of the crystal in the LC circuit. The frequency can be determined by measuring a series of pulses with a frequency counter. The AX7DAF2-644.53125T is designed to have low jitter, minimal phase noise, and a high shock and vibration tolerance.

Conclusion

In conclusion, the AX7DAF2-644.53125T oscillator is an ideal choice for time-keeping and networking applications due to its precision, stability, and low power consumption. It operates off a 5V power source, has a maximum supply current of 8mA, and offers a frequency range of 0.1875MHz to 8MHz with an operating temperature range of -40ºC to +85ºC. In addition, it has a low jitter, and its crystal is designed to maintain a high shock and vibration tolerance.