LMK03033ISQ/NOPB

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers - are highly essential components in electronic control systems, since they generate accurate reference signals which are then used by other circuitry to maintain precise timing and control. The LMK03033ISQ/NOPB from Texas Instruments (TI) is an integrated, low-noise, low-power, low-jitter Clock Generator and PLL, designed for high accuracy and low power requirements in today\'s modern communication and industrial networks.

The LMK03033ISQ/NOPB consists of a 16-bit PLL (Phase Locked Loop) and a Clock/Timing generator with a special output pin for “low-jitter” output signals. The low-jitter output enables the device to achieve high accuracy and low-power operations. The device achieves this level of accuracy by combining an advanced digital PLL with several integrated features. The main features of the device include a Phase Detector, a High Pass Filter, a Duty Cycle Corrector, a Clock Driver, an SSC Filtering circuit, and a Power Distribution Control.

Application Field

The LMK03033ISQ/NOPB is mainly used in digital communications, industrial networks and embedded systems. It is an ideal choice for industrial automation systems, Internet of Things (IoT) applications, Ethernet switches / routers, security systems, mobile telecommunication systems, automotive applications, etc. For example, it can be used in mobile telecom base stations and switches for super-fast channel switching, low-power clock synchronization and tight jitter accuracy.

Working Principle

The LMK03033ISQ/NOPB consists of several parts for achieving its high accuracy performance. To begin with, the phase detector receives two input signals and detects the phase difference between them. The detected phase difference is then sent to the high pass filter. The high pass filter removes the low frequency noise and prioritizes the phase detection signal with respect to the high frequency signals. The duty cycle corrector then adjusts the width of the pulses generated in the phase detector. The output of the phase detector is then sent to the clock driver. The clock driver sends the phase detection signal to the SSC or spread spectrum clock circuitry. Finally, the power distribution control sets the desired output power level of the clock generator.

These parts working together perform the highest levels of accuracy and low-power operations. The PLL also allows for up to ten different output channels, meaning it can support a wide range of applications. Additionally, the device allows for a fast lock-to-frequency characteristic, and a low additive jitter performance at low output power levels.

In conclusion, the LMK03033ISQ/NOPB from Texas Instruments is a great choice for high accuracy clock generator and PLL applications. It enables users to achieve high accuracy, low power operation and fast lock-to-frequency performance. Additionally, the device supports up to ten different output channels, meaning it can be used for a wide range of applications.

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