531FC122M880DGR

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Oscillators provide a precision timing control in circuits. The 531FC122M880DGR is a temperature-compensated oscillator (TCXO) with an ultra-wide operating temperature range, integrated voltage regulator and low voltage consumption. It is designed to generate a precise frequency for various applications.

The 531FC122M880DGR has a frequency range from 8.000 to 38.805 MHz, voltage inputs of 3.3V and 5V, temperature stability range of ±2.5ppm over the -40°C to +125°C operating temperature range. Housed in small SOT-23 package, this oscillator is particularly suitable for applications where limited space is available. This device is highly immune to external influences such as voltage variation, temperature, humidity and shock.

The working principle behind the 531FC122M880DGR is based on a temperature-compensated crystal resonator, a varactor diode, a comparator, a voltage regulator, a buffer and a gate bring circuit. The oscillator uses a quartz crystal as its resonating element, and this crystal is held between two metal plates and connected with two pins on each side. In some configurations, a capacitor is placed between the two plates to reduce the overlap of the plate-to-plate region.

The crystal works on the same principle as a tuning fork, and the oscillator works by turning a voltage on and off. When the voltage is low, it allows the crystal to vibrate at a specific frequency. The crystal\'s frequency is determined by its size, shape and cuts.

When the voltage is on, the crystal is prevented from vibrating. The frequency of oscillation can be adjusted by adjusting the voltage level and the size of the capacitor. The capacitance of the capacitor provides the necessary frequency compensation. The buffer circuit amplifies the signal output from the oscillator and provides a low impedance output signal.

The 531FC122M880DGR is suitable for a variety of applications, including telecommunications, networking, timing, medical and test and measurement equipment. It is also widely used in wireless device and product in industrial, consumer or automotive markets. Its temperature stability of 2.5ppm over an extended temperature range ensures reliable frequency accuracy and stability across environmental conditions.

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