DS1091LUA-055/V+

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Introduction

DS1091LUA-055/V+ is a high-performance clock generator and PLL frequency synthesizer designed for communications, general timing control and test and measurement solutions. It is designed specifically to meet the needs of today’s most demanding applications. The device is manufactured using advanced process technology and is intended for operation from a single supply voltage between +1.1 V and +3.3 V.

Application Field and Working Principle

Application Field

The DS1091LUA-055/V+ is especially suitable for applications such as LTE, WiMAX, 3GPP, CDMA, EV-DO, and GPS receivers, among others. It can also be used for general timing, test and measurement, and the control of clocks, data and communication networks.

Working Principle

The DS1091LUA-055/V+ contains two independent PLLs, each of which is capable of generating any desired clock frequency with excellent jitter performance. The first PLL (PLL1) is a frequency synthesizer with a range from 1 MHz to 150 MHz, and the second PLL (PLL2) is a frequency synthesizer with a frequency range from 0.25 MHz to 40 MHz. Both PLLs also have a reference clock input, which can be used to create frequencies above the maximum frequency of the corresponding PLL.

The PLLs in the DS1091LUA-055/V+ are based on the Phase Locked Loop (PLL) topology. The device consists of a phase detector, a charge pump, an analog filter and a voltage controlled oscillator (VCO). This topology enables the PLL to lock onto a reference frequency and generate output clocks with very fast acquisition and phase-noise performance.

Features

The DS1091LUA-055/V+ offers a wide range of features, such as selectable power-down modes, programmable output frequencies, programmable clock duty cycles, programmable output voltage swing, 8 independent output control signals and poor-quality clock detection. Additionally, the device supports low-noise output and low-jitter output, as well as programmable frequencies from 1 MHz to 40 MHz and from 0.25 MHz to 150 MHz.

Conclusion

The DS1091LUA-055/V+ is a high-performance clock generator and PLL frequency synthesizer designed for communications, general timing control and test and measurement solutions. It is designed specifically to meet the needs of today’s most demanding applications. The device is manufactured using advanced process technology and is intended for operation from a single supply voltage between +1.1 V and +3.3 V. The device offers a wide range of features, such as selectable power-down modes, programmable output frequencies, programmable clock duty cycles, programmable output voltage swing, 8 independent output control signals and poor-quality clock detection. Additionally, the device supports low-noise output and low-jitter output, as well as programmable frequencies from 1 MHz to 40 MHz and from 0.25 MHz to 150 MHz.

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