2305M-1LFT

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The 2305M-1LFT is a Simple PLL (Phase Locked Loop) clock generator IC that is primarily used for clock and timing applications. It is capable of producing a low-jitter, accurate output frequency from a low or high-frequency input signal. Clock Generators, PLLs, and Frequency Synthesizers are all forms of a Simple PLL and the 2305M-1LFT can be used for all of these purposes. This IC is designed for use in high-speed networking, industrial control systems, and computer applications where frequency accuracy, low-jitter, and stability is important.

The 2305M-1LFT is a highly integrated design, combining a programmable phase shifter, frequency synthesizer, PLL and a crystal oscillator. It includes an on-chip, high-performance, low-jitter Voltage Controlled Oscillator (VCO), a Phase Detector, a Charge Pump and a reference oscillator. The device is capable of generating a wide range of frequencies in the 1kHz to 32MHz range, with adjustable duty cycle, ±20ppm accuracy, and a maximum jitter of 15ps. It contains a wide variety of features including cycle-by-cycle trimming, spread spectrum modulation and duty cycle adjustment, giving the user a great amount of flexibility when designing their circuit.

The 2305M-1LFT is designed to operate from a single 2.5V power supply. It is packaged in a RoHS compliant 17-pin QFN package that is ideal for space sensitive applications and for making connections to differential signaling lines. This IC also has power and frequency trimming pins to facilitate in optimizing the frequency and phase noise performance. The device is designed for ease of use and can be used in many applications where clock/timing accuracy is required, such as DSL modems, digital video cameras, professional and consumer audio/ video systems and GPS receivers.

The 2305M-1LFT works by using a reference signal in the 1kHz–32MHz range and comparing it to an output signal generated using an on-chip voltage controlled oscillator (VCO). The frequency of the output signal is adjusted until it matches the frequency of the reference signal. Once the two frequencies are in sync, the output signal contains the frequency components of both the reference signal and the output signal. Due to the use of the VCO, the output signal can be adjusted to match the frequency of the reference signal in less than a few milliseconds.

The 2305M-1LFT is designed for use in a wide range of commercial, industrial, and aerospace applications. It is an ideal solution for clock generation in high-speed communication systems, industrial control systems, and computer applications. The low-jitter, stable output, and adjustable duty cycle make the device an ideal choice for timing and synchronization applications. Its high level of integration and its non-volatile frequency trimming features make it a great solution for applications requiring exact frequency accuracy.

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