8N3SV76EC-0108CDI8

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Programmable timers and oscillators are devices or circuits that are used to generate a sequence of continuous, regular short electrical pulses or alternate, repeated electricity based on an input command. 8N3SV76EC-0108CDI8 is an integrated device, included a Digital Frequency Synthesizer, clock controller, and LC oscillator circuit, designed for use in clock generating and clock distribution systems in any applications in the clock and timing based industries.

Features

• Wide supply voltage range (2.3V ~ 5.5V)
• Large output frequency range (4MHz to 400MHz)
• Low current consumption (5µA@3V, 3.5µA@2.3V)
• Few external components
• Low jitter, low propagation delay
• Integrated FSK modulation
• Integrated temperature compensation
• Programmable spread spectrum clock signal

Applications

8N3SV76EC-0108CDI8 is widely used in clock and frequency control applications, such as cellular phones, network systems, computer and consumer electronics, etc. It is suitable for master clock, local oscillator, command and control circuit in home entertainment systems, sound systems, door lock systems, and consumer electronic devices. This integrated clock and timing device also can be applied for digital audio, CD-ROM, analog video, power management, serial interface, telecom and other application that need a frequency reference or control.

Working Principle

8N3SV76EC-0108CDI8 includes a digital frequency synthesizer, clock controllers, and a high frequency LC oscillator circuit. It uses an on-chip micro-controller to store a program that defines the desired output frequency and other control settings, such as spread spectrum modulation on/off. Then it converts the program into a series of changeable voltage levels. The different voltage levels control the external LC tank circuit, causing the VCO to switch between the various frequency states. The output is a clock waveform with programmable frequency choices.

The device also has a temperature compensation circuit which continuously varies the output frequency to make up for the temperature changes. It will maintain a constant output frequency in any temperature range. Of course, this feature can be disabled if necessary.

Conclusion

The 8N3SV76EC-0108CDI8 is a highly integrated device for clock generating, timing controlling, and clock distribution applications. It is low power, low cost, and easy to use. It is a great choice for applications that need an easy to configure, flexible, and accurate clock and timing control.

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