DS1090U-2/V+T

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When it comes to Clock/Timing, Clock Generators, PLLs and Frequency Synthesizers, the DS1090U-2/V+T range of ICs from Texas Instruments are worth considering. This series of ICs provides PLL clock synchronization, low jitter and incredible accuracy for applications where timing is critical.

Key Features

The DS1090U-2/V+T range of ICs is purpose-built for the industrial and consumer electronics industries, and is designed to bring reliability and ultra-precise timing performance. This range of ICs can offer you a clock output frequency stability and accuracy of better than +/-100 PPM. With the help of these ICs, you can also achieve low jitter, spread spectrum and even full-swing LVDS outputs devices with wide frequency ranges.

The features of this range of ICs are numerous, it has the ability to offer flexible output types and offers you several packages ranging from 10 lead VSSOP up to 14 pin SSOP packages. Furthermore, this series of ICs offers the combination of excellent jitter performance, reasonable costs and ultra-reliable clock solutions. You can use the ICs to get solutions that range from 10MHz up to 125MHz and beyond.

Applications

This range of ICs can be particularly useful in applications where the accurate synchronization of multiple clocks is needed. The wide frequency range offered by the ICs also make them suitable for use in performing various digital memory applications like DDR2 and DDR3. Additionally, you can also use the ICs in a lot of common applications like networking and other digital systems.

Above and beyond that, this range of ICs can also be applied to a wealth of other applications like digital video surveillance systems, video encoding, digital video recorders, CDMA base station modules and various storage devices. So essentially, you can find various industrial and consumer applications for the DS1090U-2/V+T range of ICs.

Working Principle

At its core, the DS1090U-2/V+T range of ICs are essentially a synchronous PLL, also known as an S-PLL. S-PLLs essentially comprise a low-phase-noise voltage controlled oscillator, a loop filter and divider blocks that are connected in a single regulated loop. The low-noise oscillator generates a signal at a rate exactly proportional to the incoming reference signal while the blocks present in the loop filter hold the loop in synchronous synchronization with the reference signal. The S-PLLs also employ a unique combination of programmable settings, digital signal processing and voltage-controlled-oscillator block.

The voltage control oscillator in the loop is configured such that it is capable of producing frequencies very accurately in a range that covers the majority of applications. Additionally, the device features a non-volatile programmable lock detector, which makes it much easier for the user to make sure that the PLL is actually receiving reference signals and is constantly in synchronous synchronization. This effectively guarantees that the device will continue to operate accurately even in the presence of any type of signal disturbance.

Overall, the DS1090U-2/V+T range of ICs is incredibly useful when it comes to Clock/Timing, Clock Generators, PLLs, and Frequency Synthesizers. It offers you multiple features, has a broad range of applications and is built to offer unrivaled accuracy and reliability. These ICs are definitely the perfect choice for all your industrial and consumer electronics timing application needs.

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