LMX2316TMX/NOPB

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The LMX2316TMX/NOPB IC from Texas Instruments is a low-power, high-speed Multi-Output Clock Generator, designed to generate and distribute multiple high-quality clock outputs. The device is designed to efficiently meet the demanding clock requirements of modern FPGA, DSP, and ARM processors in high-speed data converter and telecom applications. The LMX2316TMX/NOPB offers a wide range of features and capabilities to help reduce system cost and complexity.

The LMX2316TMX/NOPB is a multi-output clock generator that combines the functionality of a clock synthesizer, frequency synthesizer, and programmable clock. The device utilizes an internally generated reference clock to generate accurate and low-jitter output clocks with frequencies ranging from 0.4 MHz to 800 MHz. It is capable of producing up to 8 different output clock frequencies and can be easily configured to support high-speed designs demanding up to 2 GHz of clocks. The LMX2316TMX/NOPB also offers additional features such as spread spectrum, frequency synthesis, oscillator trim cycle control, spread spectrum, and power failure detection.

The LMX2316TMX/NOPB uses a variety of techniques and components to achieve its tasks. At its core, it employs a phase-locked loop (PLL) that is controlled by an on-chip digital-to-analog converter (DAC). The PLL is used to generate eight “multi-phase” clocks that can be adjusted in frequency and phase by programming the DAC. The PLL is also used to synthesize the frequency of the output clocks to the desired target. This is done by a combination of frequency division and fractional-N synthesis, where the target frequency is generated by a combination of an integer number of cycles and an exact fraction of each cycle.

The LMX2316TMX/NOPB uses a spread spectrum clock generator (SSCG) to spread spectrum modulation of the reference clock frequency. This allows the SSGC to reduce EMI emissions and provide superior jitter and noise immunity in the output clocks. Additionally, the LMX2316TMX/NOPB is capable of providing two additional lines for composite clock and distributed clock synchronization functions. The device also includes an oscillator trim cycle control feature that can be used to further reduce the cycle-to-cycle jitter in the output clocks.

The LMX2316TMX/NOPB is a capable clock generator and is designed to meet the demanding requirements of modern FPGA, DSP, and ARM processors. It features an on-chip PLL, frequency synthesizer, and programmable clock, as well as a spread spectrum and oscillator trim cycle control. The device offers a wide range of features and capabilities and is designed to reduce system cost and complexity. For more information on the LMX2316TMX/NOPB, please visit the Texas Instruments website.

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