ICS672M-02

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The ICS672M-02 is a monolithic integrated voltage controlled oscillator (VCO) circuit capable of generating stable, low jitter output frequencies over a wide range of applications. The circuit is suitable for use in clock and timing applications such as optical clock distribution, communications systems, or in military systems. It is particularly well suited to applications where the output frequency changes as different applications need different frequencies with minimal jitter.

The ICS672M-02 is a highly integrated clock generator with four main components. The voltage controlled oscillator (VCO) is the core of the circuit and is responsible for generating the output frequency. The VCO is connected to a digital frequency divider, which allows the user to program the output frequency over an extended range of frequencies. The circuit also has a pair of differential comparators for providing the VCO output frequency control. Finally, an on-chip temperature compensated voltage reference circuit provides the reference voltage for the comparators.

The frequency of the output signal can be controlled by either a digital or analog control signal. A 3-Wire Serial Interface (2WIRE) can be used to program the output frequency in single-step increments. For high frequency outputs, such as those used in optical clock and data distribution systems, the frequency can be programmed in small increments, or fine-tuned to achieve a better clock jitter performance.

The ICS672M-02 is designed to meet stringent short and long term stability requirements. Short term stability is typically better than ±5ppm over a -40° to 85°C temperature range, and long term stability is typically better than ±20ppm over the same temperature range. The device also employs a self-calibration technique that automatically compensates for any aging or temperature induced frequency variations.

The ICS672M-02 also offers a number of other features to improve system performance. It includes an on-chip phase/fault detector circuit which allows the part to detect and reject spurious input signals. This can help minimize spurious output frequencies and improve the overall system jitter performance. The device also includes a wide input frequency range, and can accept input frequencies up to 400MHz.

The ICS672M-02 is ideal for use in a variety of clock and timing applications, including optical clock distribution, communications systems, or military systems. Its high integration and low power consumption enable designers to achieve greater cost savings, while its variable output frequency and wide input frequency range make it a versatile device for a wide range of applications. Additionally, its high stability and low jitter performance make it an excellent choice for stabilized clock sources for high speed systems.

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