DS1085LZ-12+

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The DS1085LZ-12+ is a low-jitter clock generator and frequency synthesizer. This versatile device has a wide range of application fields and a wide selection of features to provide an optimal solution for many different applications. Its advanced features include low-jitter, high accuracy and three selectable modes of operation.

Application Field

The DS1085LZ-12+ is suitable for a wide range of applications, including clock and communications applications, digital and analog test and measurement, automotive and avionics, medical, servers and communications equipment, and many others. It provides low-jitter and high accuracy for clock and communication applications, with a stable clock output for both digital and analog test and measurement applications. Additionally, the device offers superior performance in automotive, avionics, medical and communications equipment.

The DS1085LZ-12+ is ideal for system designs requiring precision timing with low-jitter and high accuracy. Its high-precision oscillator can achieve low-jitter performance of 1ps RMS (12kHz-20MHz). It also features programmable output frequency up to 500MHz, wide frequency range, and selectable output formats. With these features, the DS1085LZ-12+ can reliably provide a stable clock output for many applications.

Working Principle

The DS1085LZ-12+ is based on a fractional-N phase-locked loop (PLL) frequency synthesizer. It consists of a reference oscillator, a phase / frequency detector, a charge-pump circuit, a loop filter, and a voltage controlled oscillator (VCO). The reference oscillator provides a low-jitter frequency reference to the PLL circuit. The phase / frequency detector detects any phase difference between the reference frequency and the output of the VCO.

The charge-pump circuit generates a control voltage to the loop filter. The loop filter then adjusts the phase detection circuit to minimize the phase difference by modulating the loop filter\'s output control voltage. The VCO then adjusts its output frequency (fo) according to the modulation control voltage. Therefore, the output of the VCO is locked to the reference frequency. The DS1085LZ-12+ also has three selectable modes of operation, allowing for different levels of accuracy, stability and performance.

Conclusion

The DS1085LZ-12+ is an ideal clock generator and frequency synthesizer for a wide range of applications. With its low-jitter, high-accuracy, three selectable modes of operation and wide frequency range, this device can provide the precise timing performance required for many applications. The device\'s advanced features allow for excellent system designs with reliable and stable clock outputs.

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