FDSAS2062

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Oscillators: FDSAS2062 Application Field and Working Principle

The FDSAS2062 is a miniaturized clock oscillator, offering superior frequency stability over a wide operating temperature range. This device is designed specifically for building electronic and embedded systems. It is a reliable and economical solution for meeting the exacting timing requirements of communications technologies, high-speed digital circuitry, and industrial and medical equipment.

In essence, the FDSAS2062 is a voltage controlled oscillator (VCO) with a temperature-compensated crystal on its chip. It utilizes a unique combination of circuit and component technologies that provide superior frequency stability over temperature. The FDSAS2062 also offers customizable features such as logic thresholds, start-up time, and oscillator frequency.

The FDSAS2062 chip works by first passing an oscillating electrical signal through a programming resistor to create a frequency divider. The frequency divider adjusts the frequency of the oscillation, which in turn, is amplified by transistors and brought to the output. As the supply voltage increases or decreases, the output voltage of the oscillator changes, resulting in a faster or slower frequency.

In addition to frequency stability, the FDSAS2062 chip provides several other advantages. It is designed with built-in hysteresis technology, which prevents overly fast transient reactions to voltage or temperature changes, ensuring that the oscillator frequency stays consistent. The nonvolatile memory of the chip stores the clock frequency during power interruptions and restores it upon power restart. This feature can be especially important in medical and telecom applications where frequent power outages could lead to data corruption. The FDSAS2062 is also characterized by its tiny size; measuring just 0.5 x 0.55mm (QFN 0.2), it is among the smallest and most economical clock oscillators currently available on the market.

The FDSAS2062 chip offers reliable performance, low power consumption, and a wide frequency range. It can operate over temperature ranges from -40°C to +85°C, and from 0.5 to 400MHz. With its versatility and superior frequency stability over temperature, this device is an ideal solution for the specific timing needs of many different types of embedded systems.

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