DSC2041FE1-K0002T

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Pin Configurable/Selectable Oscillators are integrated circuits that allow users to configure and select any frequency, accuracy, and stability from a single chip. The DSC2041FE1-K0002T is a pin configurable oscillator with an oversampling capability and a low jitter, low operating temperature. This oscillator is designed to minimize power consumption, provide excellent frequency stability and offer a wide frequency range.

The DSC2041FE1-K0002T is an ideal solution for applications that require wide frequency ranges and/or selectable features for timing control. This oscillator is typically used in applications such as communications, automotive, healthcare, aerospace, and military. It can be used for frequency-dependent timing, to control peripheral and system components. It also provides precise phase-locked loop performance and precise synchronization.

This oscillator has an 8-kHz to 160-MHz frequency range, with a frequency resolution of 1-kHz and a frequency accuracy of ±50-ppm (95% confidence). The operating temperature range is 33°C to +85°C, and the typical current consumption is 3mA. It provides a low jitter of 10pS, a low noise of 33 dBc/Hz, and a fast settling time of <100µs.

The oscillator preparation is made via pin selection. In order to prepare the oscillator, the user needs to set the parameters, such as the frequency range, the output type, the crystal load capacitance, the operating voltage, and the operating temperature, in the settings menu or via programming. For this oscillator, programming can be done via I2C

The working principle of the DSC2041FE1-K0002T pin configurable oscillator is based on the crystal oscillator structure. The oscillator integrates a quartz crystal, an amplifier, and a logic chip in one package. This oscillator includes a crystal-stabilized, multiphase clock system, which is used to generate precisely spaced clock pulses.

The quartz crystal is a piezo-electrical device that vibrates at a frequency specified by its cut. In the oscillator, the crystal is driven by the amplifier, which is connected to a DC power source. The output of the amplifier is fed to the logic chip, which counts the frequency. The output of the logic chip is then used as the input to the oscillator.

The logic chip contains a counter and comparator, which determines the new frequency as the quartz crystal vibrates at the specified cut. The counter and comparator send control signals to the amplifier, setting the amplitude of the crystal vibration and determining the output frequency. The DSC2041FE1-K0002T uses an oversampling approach to improve frequency resolution and accuracy.

In summary, the DSC2041FE1-K0002T is a pin configurable/selectable oscillator. It allows users to configure and select any frequency, accuracy, and stability from a single chip. This oscillator is typically used in applications such as communications, automotive, healthcare, aerospace, and defense. The crystal oscillator structure and oversampling approach enables it to provide excellent frequency stability, low jitter, and a fast settling time.

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