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Pin Configurable/Selectable Oscillators

The DSC400-0414Q0033KE1T is a pin-configurable/selectable oscillator which uses resonator technology to produce a precise, highly stable oscillation signal. With an accurate tuning range of 0.045 MHz to 3.270 MHz, this device\'s ability to adjust frequency with external resistors enables it to meet the requirements of many applications from automotive and automotive interiors, to test and measurement equipment, telecommunications, and industrial systems.

Application Fields

The DSC400-0414Q0033KE1T oscillator can be applied in a variety of ways. In automotive applications, the device is capable of providing precise oscillation frequencies required by electronic control units and infotainment systems; in aviation systems, it is used to provide an oscillator frequency required by an avionics system. It can also be used in industrial applications such as motor control and automation systems, PLC or MCU systems, and factory automation and robotics. In the telecom sector, selective handheld devices can rely on the oscillator to provide highly precise, stable frequency signals needed in radio frequency systems, radio base stations, and satellite/space systems.

Working Principle

The DSC400-0414Q0033KE1T\'s working principle is based on the quartz resonator, which is encoded with a specific frequency and is used to generate a stable reference clock signal. The quartz resonator ensures that the oscillator frequency stays constant over a wide range of temperatures and environmental conditions. Additionally, a trim capacitor connected to the quartz resonator is used to adjust the frequency at the pins of the oscillator.

The frequency can be adjusted by varying the resistance values of two external resistors connected to the oscillator\'s trim pins. The resistance values at the trim pins are used to tune the output frequency of the oscillator in order to meet a desired set of frequency requirements. In addition to the adjustable trim pins, the oscillator\'s frequency can also be changed by selecting a specific impedance value.

The impedance selection of the oscillator is configurable via 3 pins to select between 7 different impedance values (1kΩ, 1.5kΩ, 2kΩ, 2.5kΩ, 3kΩ, 4kΩ, and 5kΩ). The impedance selected has a direct correlation to the input capacitance at the oscillator’s pins and the input impedance of the clock driver device using the clock signal from the oscillator.

The device also supports multiple output types (TTL, HC-MOS, CMOS, LVCMOS) which can be set via a pin-selectable configuration. This makes the device suitable for a wide range of operations, from high-speed data transmission to low-speed clocking signals.

The DSC400-0414Q0033KE1T is a pin-configurable/selectable oscillator that is designed to achieve frequency accuracy of up to ±20.0 ppb throughout the operating temperature range of –40°C to +125°C. It features an ultra-low power consumption of just 15μA and an operating voltage range of 2.5 V to 5.5 V, making it ideal for a variety of applications.

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