SL2305SC-1

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The SL2305SC-1 is a clock generator, PLL, and frequency synthesizer that provides both time-sharing and external reference clock solutions. Clock generators, PLLs, and frequency synthesizers are used to generate and distribute a stable clock signal for digital logic chips and other timing-related components. These components are essential for microprocessor designs, FPGA and ASIC designs, microcontroller projects, and countless other applications.

Features

• Feature 1: Ultra-low jitter
• Feature 2: High input-rejection-ratio
• Feature 3: Multi-channel PLL with output frequency five times the reference clock frequency
• Feature 4: Frequency Synthesis covers the full audio and video range
• Feature 5: Configurable loop bandwidth
• Feature 6: Low cycle-to-cycle jitter
• Feature 7: Output frequency range of 50 MHz to 2400 MHz
• Feature 8: Voltage Control Oscillator (VCO) with input range of 1.2V to 3.3V
• Feature 9: Extensive output drive capability
• Feature 10: Programmable post-scaler

Applications

The SL2305SC-1 is ideal for use in clock systems where extremely low jitter is required, such as audio/video and digital logic designs. It is suitable for digital logic designs, and it can reduce time-to-market and cost by eliminating the need to design a custom clock system. With its high input-rejection-ratio, the SL2305SC-1 is also ideal for FPGA and ASIC designs that are sensitive to noise. In addition, the SL2305SC-1 is useful for microcontroller-based designs as it provides a low-cost solution for low-jitter clocks with wide frequency coverage. Furthermore, its frequency synthesis capabilities enable the generation of complex clock signals with frequencies up to 2400MHz, allowing for a variety of clock solutions.

Working Principle

The SL2305SC-1 utilizes a Phase-Locked Loop (PLL) to generate a stable clock signal from an external reference clock or internal oscillator. The PLL starts by comparing the phase of the output clock versus the reference clock and uses the difference, called the phase error, to determine whether to increase or decrease the voltage-controlled oscillator\'s frequency. The PLL then amplifies the reference clock, lowers any noise on the external reference, and multiplies the output frequency by a predetermined multiplier, called the post-scaler, to produce the desired frequency. Finally, it synthesizes a complex clock signal with its frequency divider, which changes the frequency of the output to a multiple of the reference frequency.

Conclusion

In conclusion, the SL2305SC-1 is a clock generator, PLL, and frequency synthesizer that provides ultra-low jitter and high input-rejection-ratio. It is suitable for a variety of applications, including digital logic designs, microcontroller projects, FPGA and ASIC designs, and audio/video designs. Its configurable loop bandwidth and voltage control oscillator with varying input allows for the generation of complex clock signals with frequencies up to 2400MHz. Its phase-locked loop technology amplifies the reference clock, removes any noise, and multiplies the output frequency by a predetermined post-scaler to produce a stable clock signal.

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