LMK03001CISQX/NOPB

Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The LMK03001CISQX/NOPB is a silicon oscillator which is ideal for use in a variety of applications. It is a single-output frequency synthesizer which helps to reduce size and power consumption and enables users to switch to different output frequencies precisely and quickly, without loss of signal. This device offers high levels of output accuracy and jitter performance.

Application Field

The LMK03001CISQX/NOPB is suitable for use in a variety of applications such as consumer electronics and telecommunications systems, high speed data communication, storage area networks (SANs), data centers, wireless systems, and low voltage driving/clocking of FPGAs/ASICs.

Working Principle

The frequency synthesizer of the LMK03001CISQX/NOPB is based on advanced digital phase-locked loop (DPLL) architecture with an ultra-low jitter, wide bandwidth delta-sigma modulator. It incorporates a fast-lock digital control loop with a reliable and optimized analog voltage-controlled oscillator (VCO) and built-in filter to provide ultralow phase noise, jitter and fast switching characteristics. The frequency range of this device is from 0.25 MHz to 800 MHz, with high frequency accuracy (up to ±25 ppm).

The VCO architecture utilizes a control voltage to accurately control the device’s output frequency. Digital-to-analog converters, low noise amplifiers and external passive components are used to provide a reliable, low power and low-noise design. The device also incorporates advanced calibration techniques to minimize lifecycle aging and long-term system drift.

The LMK03001CISQX/NOPB features an extremely flexible digital interface. At its core is a serial interface which gives users access to the device’s internal registers, allowing for precise control of its functions and performance. In addition, the device supports an optional SPI interface, allowing it to be easily integrated into system controllers.

Conclusion

The LMK03001CISQX/NOPB is an ideal clock generator for a variety of applications in communications, consumer electronics, and other areas such as low voltage driving/clocking of FPGAs/ASICs. Its DPLL-based frequency synthesizer offers ultralow phase noise, jitter, and fast switching characteristics, with a maximum frequency range up to 800 MHz. It also features an advanced calibration process and robust digital interface which allows for precise control of output frequency.