348RPLFT

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Clock Generators, PLLs, and Frequency Synthesizers are among the most common electronics applications, and the 348RPLFT’s unique features make it ideal for a variety of situations. The 348RPLFT is a family of Multi-Mode frequency synthesizers, Phase-Locked Loops, and PLLs that provide high accuracy and precision, long-term stability, and wide dynamic range.

The 348RPLFT offers frequency stability of 1 parts-per-million (ppm) at +25°C over an operating voltage range of 1.8 to 5.5 V. With a wide frequency range of up to 100MHz, it is ideal for applications that require high-resolution and precision timing control, such as clock and data recovery, frequency synthesizers, VCOs and clock multiplication. The 348RPLFT family includes a variety of features, including on-chip clock oscillators, low-power PLLs and loop compensation circuitry. These features, combined with its wide voltage range and low-power consumption, enable it to be used in a variety of typically challenging situations.

For a low-power and low-noise circuit design, the 348RPLFT offers a wide range of choices for power supply, clock frequency, and varactor capacitance. The 348RPLFT also offers an adjustable Vref and a spread-spectrum mode for stability on sensitive radio frequency (RF) applications. The 348RPLFT can operate over a wide temperature range, from -40°C to 100°C, making it suitable for a variety of different industrial, automotive and military applications.

The 348RPLFT has several features that make it ideal for clock generation, such as its wide frequency range, low-noise operation, and fast lock times. The 348RPLFT has a built-in reference frequency option, allowing designers to configure the device according to their application requirements. This is particularly useful for high-performance, precision timing applications that require long-term stability and accuracy.

The 348RPLFT also features an ultra-low phase noise, making it ideal for applications that require low phase noise operation. Additionally, it includes an on-chip spread-spectrum alarm, providing enhanced signal integrity and superior noise floor isolation. The 348RPLFT is also very reliable, with a long lifetime and tight tolerances, and can be operated over wide temperature ranges.

The 348RPLFT is a multi-mode frequency synthesizer, which combines both phase-locked loop (PLL) and frequency-locked loop (FLL) technologies. This permits the device to support a wide range of frequencies, from approximately 100 kHz to 200 MHz, with a high degree of accuracy and reliability. The FLL is also capable of dynamic frequency hopping and programmable frequency selection. This allows the user to dynamically adjust the synthesizers frequency settings to an optimal or required value.

The 348RPLFT frequency synthesis operation uses its PLL and FLL engineering to achieve superior performance. It combines a low noise an oscillator and divider with a programmable FLL, providing an extremely low noise and tight control, as well as a low startup time. The PLL and FLL also provide superior frequency setting accuracy, even over long periods of time. The FLL can be programmed to lock to only a pre-determined frequency range, allowing the device to start up fast and efficiently.

The 348RPLFT’s PLL and FLL circuits also enable extremely fast lock and unlock performance, allowing it to respond quickly to input frequency variations. This is essential for many applications, especially in circuits that need to react to random events and changes very quickly. Additionally, the device supports a wide range of frequencies across the entire frequency range, and its highly integrated design offers increased reliability and cost savings.

Finally, the 348RPLFT also offers a variety of additional features, such as programmable overdrive and pull-in immunity, which enables applications to operate as tolerant as possible to a variety of outside influences. The overdrive feature compensates for frequency variation while keeping the accuracy of the output frequency, while the pull-in immunity protects the application from unwanted outside influences that may transiently affect the frequency.

In conclusion, the 348RPLFT’s unique combination of features makes it perfect for a variety of clock generation, PLL and frequency synthesizer applications. Its wide dynamic range, highly integrated design, and robust performance are ideal for many different industries and applications. Its wide frequency range, low-power operation, and wide temperature range make it suitable for a variety of industrial, automotive, and military applications.

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