DS1088LU-02A+W

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The DS1088LU-02A+W Clock/Timing Generator from Maxim Integrated is a high-performance, low-jitter, programmable clock signal synthesizer. This device is ideal for applications such as networking systems, computing, industrial automation, telecom and broadcast, etc., and supports various signal formats. It is a frequency synthesizer with a flexible and configurable output format.

Description

The DS1088LU-02A+W is a robust and feature-packed clock/timing generator. It is a low-jitter, programmable clock signal synthesizer, offering wide range of output formats. It integrates a table-based frequency plan programming and provides both differential and single-ended clock outputs. It is also suitable for applications in computing, telecommunications, industrial automation and broadcast. The available output formats include sinusoidal, sine-based pulse-width modulation (PWM), DSP pseudo-differential sinusoidal, quadrature coupled sinusoidal, and versional-pulse differential (VPD).

Features

This device provides a wide range of features making it suitable for many applications. As mentioned above, it offers low-jitter, programmable clock signals with a wide range of available output formats. It is also capable of being used in wide temperature ranges and offers high output frequencies. The device has a programmable phase detector based frequency divider which allows to set output frequencies down to 1 Hz. It also provides a wide frequency range of up to 400 MHz for output frequencies. In addition, this device offers a wide output amplitude range of 0.25 V to 3.3 V and frequency modulation (FM) from -5 MHz to +5 MHz. Besides, the device is resilient to EMI and can handle up to 10 MHz of jitter at the output.

Applications

• Networking systems
• Computing
• Industrial automation
• Telecom and broadcast
• Railway
• Medical imaging

Working Principle

DS1088LU-02A+W Clock/Timing Generator works on the principle of frequency synthesis. It is a two-part synthesis circuit comprising of a programmable phase detector-based frequency divider and a digital mixer. This programmable frequency divider is responsible for generating output frequencies lower than the device oscillator frequency, while the digital mixer is used to mix the output frequency with the reference frequency.

The frequency generator includes a Programmable Phase Detector (PPD) which is a circuit that converts the input clock signals into a continuous, variable frequency output. The PPD is used to divide the reference frequency to obtain various output frequencies. By varying the frequency of the reference oscillator, the output frequencies can be adjusted and different frequencies can be generated. The Digital Mixer then mixes the output frequency of the PPD with the reference frequency to further reduce it.

The DS1088LU-02A+W Clock/Timing Generator also includes an Auto-Measure function which is able to measure the output frequency and the amplitude on-device without the need of any additional tools and equipment. This feature is helpful in getting precise readings and helping users to monitor the output performance.

Conclusion

DS1088LU-02A+W Clock/Timing Generator is a low-jitter, programmable clock signal synthesizer designed to provide a wide range of output formats. It benefits from being capable of being used in wide temperature ranges and has a wide frequency range of up to 400 MHz. The device supports various signal formats and includes an Auto-Measure function which is able to measure the output frequency, and the amplitude on-device. This device provides all these features, making it ideal for industrial automation, telecommunications, computing and broadcast applications.

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