AK8135F

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Clock/timing related applications require both accuracy and repeatability. To meet these demands, various clock generator, Phase-Locked Loop (PLL) and frequency synthesizer devices are available in the market. Among them, the AK8135F is a reliable companion, combining a wide range of features and good performance.

Features of the AK8135F

The AK8135F is a high-performance multi-functional clock generator/frequency synthesizer device designed to meet a range ofclock/timing-related needs. It features a fully integrated Surface Mount Technology (SMT) design and is capable of generating frequencies from 0.25MHz to 200MHz. It also offers several output options, including differential and single-ended output. Other features include fast and accurate frequency switching, wide input voltage range, and low power consumption.

The AK8135F also provides comprehensive protection functions, such as fail-safe initial programming, power-on reset (POR), and lock detect (LD). Additionally, with its high-performance tuning algorithm, it guarantees accurate frequency control and fast-locking time. The device also supports clock synchronization, allowing it to be used as a clock source for multiple systems or applications.

Application of the AK8135F

The AK8135F can be used in a wide range of applications, including personal computers, data centers, network equipment, USB applications, industrial control systems, broadcast systems, automotive electronics, and medical equipment. It can be used as a clock source for various high-speed data interfaces such as SATA, SAS/SCSI, PCIe, and USB. Additionally, it can be used to generate reference or clock signals for specific ASICs, FPGAs, or other FAB-based systems.

Working Principle

The working principle of the AK8135F is based on a Phase-Locked Loop (PLL) circuit with a voltage-controlled oscillator (VCO). The VCO produces an output signal with a frequency proportional to the voltage applied to its control port. The VCO output is fed back to a phase comparator, which compares it to a desired reference signal frequency. This comparison allows the PLL circuit to adjust the voltage applied to the VCO and tune its output frequency accordingly.

In order to facilitate the tuning process, the AK8135F employs a programmable divider, which divides the reference signal input to the PLL circuit. This way, the synthesized frequency can be set precisely to the desired output frequency. Furthermore, the device features a programmable loop filter to adjust the loop bandwidth, as well as a programmable charge pump to adjust the pull-in and pull-out range. Both features are used to enhance the locking speed of the PLL circuit.

Conclusion

The AK8135F is an excellent device for clock/timing-related applications. With its range of features and excellent performance, it can serve as an ideal choice for a number of high-performance applications. Its fully integrated SMT design allows for flexible implementation and easy integration, while its wide input voltage range and low power consumption make it an ideal solution for low-power and thermal-sensitive applications.

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