TS081F33IDT

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Crystals: TS081F33IDT Application Field and Working Principle

Crystals constitute an important and widely used element in electronics. Their application relies on the fact that they can generate high-precision signals when subjected to an alternating electric field. This property is mostly exploited to produce frequency-stable, low-noise oscillators and timers, in order to regulate the timing and clocking of components. In this article, we focus on discussing the application field and working principle of a specific crystal oscillator—TS081F33IDT.

Application Field

The TS081F33IDT is a quartz oscillator integrated circuit that utilizes an AT-Cut crystal and an internal circuit which provides a highly accurate oscillation frequency. It is capable of providing a higher frequency at a higher accuracy than most other crystals, and it is thus suitable for precision-demanding applications. The three operating temperature ranges of -40°C to +85°C, -40°C to +105°C, and -45°C to +125°C, make the TS081F33IDT suitable for a wide range of applications, including consumer electronics, health care, automotive and many others. The frequency stability of +/- 2 ppm (over the full temperature range) is another great property that allows the TS081F33IDT to be used in a variety of timing-based tasks, such as timers, clocks, datalinks, and modems.

Working Principle

At the core of the TS081F33IDT is a quartz crystal, which is composed of two parts: the vibrating element and the electrodes (Figure 1). The vibrating element can be modeled as two capacitor plates that are separated by a distance and connected by a spring. When subjected to an alternating electric field, the crystalline lattice structure allows the electrons to move freely and oscillates at a specific frequency (resonance frequency). This resonance frequency is determined by the ambient temperature, crystal size, and the type of material used. The electrodes are connected to an amplifying circuit, which transforms the small electrical signals of the crystal into larger ones that can be used in electronics.

In the TS081F33IDT, an oscillation circuit embedded in a CMOS process is used to apply alternating electric field. The signals generated by the crystal are amplified by the on-chip amplifier and sent to an output buffer. The circuit also includes a low-power/standby mode, power-on reset and frequency error check functions, which makes the TS081F33IDT suitable for use in various electronic systems.

Figure 1. Structure of the quartz crystal inside the TS081F33IDT.

Conclusion

In summary, the TS081F33IDT is a quartz oscillator integrated circuit that offers high precision and frequency stability in a wide range of temperature ranges. Its frequency stability makes it suitable for timing based applications such as clocks and timers, and its embedded oscillation circuit and amplifier make it suitable for a wide range of electronic systems. With its features, the TS081F33IDT is a great choice for digital circuits that require precise timing and frequency stability.

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