DSC400-3333Q0078KE2

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Pin Configurable/Selectable Oscillators plays an essential role in the accurate control of the timing and synchronization of electronic systems. The DSC400-3333Q0078KE2 belongs to the same family, catering to single-ended, voltage-controlled, and programmable devices in which the initial frequency is selected and configured by the user. It is designed to operate as low as 40 kHz and as high as 400KHz, with external components.

Features

• Supports dielectric isolation of up to 4600V
• Operating temperature range of -40°C to +105°C
• Voltage control range of 0.3 – 5V
• Tuned external components are chosen to easily bring frequency to the desired range.
• Very high phase noise to ensure clean signal transmissions.
• Symmetric fan out of 150 ohms

Applications

The DSC400-3333Q0078KE2 is a device suitable for use in voltage-controlled oscillators, clock generators, timing applications, and synthesizers. It is ideal for use in sensitive systems that require precise synchronization, such as power distribution, modern communication systems, and digital control systems. This device also operates in industrial and automotive applications, such as motor control, audio and video control, and temperature control.

Working Principle

The DSC400-3333Q0078KE2 design uses a single-ended, voltage-controlled oscillator that works according to the principle of positive feedback. The basic process begins with the application of a control voltage (Vctrl) to one of the oscillator’s terminals. The voltage is then connected to the oscillator’s feedback circuit, in which an op-amp allows low-level outputs to be amplified and then returned to the oscillator. The voltage is then fed back to the oscillator’s feedback circuit, and the oscillations repeat, giving rise to a specific frequency. The circuit is designed very sensitively, such that any variation in the control voltage results in a corresponding change in the output frequency.

Conclusion

The DSC400-3333Q0078KE2 is an ideal choice for users seeking a device that can easily adjust output frequency by providing a control voltage. This selectable oscillator is inherently stable with the help of external tuned components. By successfully synchronizing the oscillation with the desired frequency, users are able to benefit from precision control of the timing and synchronization of their systems.

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