DS1085LZ-5+T

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The DS1085LZ-5+T is a low-cost clock generator, frequency synthesizer, voltage-controlled oscillator (VCO), PLL, Clock synthesizer, Spread spectrum clock support functions all in one integrated circuit. It provides an ultra-small and low-cost solution to a variety of timing applications.

This versatile device has a clock/PLL input of up to 8MHz and can produce reference, spread spectrum and low jitter clock outputs over a very wide frequency range (8MHz to 200MHz). The DS1085LZ-5+T comes in both a single package and multi-package of up to 5 pins, supporting both surface-mount (SMT) and through hole (TH) installation options.

The device can provide either output phases offset by 45° or provide a complete, adjustable phase-delay line from 0° to ±180°, which can be adjusted in 5° increments to precisely synchronize outputs with different clock domains. One of the key benefits of this device is that it offers greater than or equal to 80dB of phase noise reduction on the outputs.

The DS1085LZ-5+T clock generator device provides a high level of integration with a low-cost, small form factor. The device has integrated features such as an oscillator, PLL, frequency synthesizer, reference, spread spectrum and low jitter clock outputs. It also includes a sophisticated control which allows control over many parameters such as clock frequency, Operating mode, Reference Clock mode, VCO frequency range, etc. It also features dynamic power management and a wide temperature range (0°C to 110°C).

In terms of operation, the device has four different modes of operation. In Stand-Alone mode, the device can be used to output a set frequency, with the frequency programmed by a simple interface. The Frequency Synthesis mode enables dynamic frequency control and allows the device to output any frequency from 8MHz to 200MHz. The Divide-By-N mode is used to reduce the output frequency from the dividing frequency, and can be set to a range from 1/2 to 1/2^15. Finally, the Spread Spectrum mode enables the device to operate in either constant power mode or constant frequency mode.

The working principle of the DS1085LZ-5+T involves a unique PLL architecture that allows precise synchronization of the output signal frequency and phase with respect to the reference input clock frequency. A low-noise output signal is generated by an adjustable divider and low-noise voltage-controlled oscillator (VCO). An integrated PLL deep loop filter eliminates the need for external components and optimizes the trade-off between frequency response and stability.

The device can be used in a variety of different application fields ranging from telecommunications to industrial automation, as well as consumer electronics and embedded systems. With its low-cost and small form factor, it is especially suitable for high-speed applications with tight timing requirements, where performance and accuracy are critical.

In conclusion, the DS1085LZ-5+T is a versatile and cost-effective clock generator, PLL, frequency synthesizer, and spread spectrum clock support functions all in one integrated circuit that is ideal for a variety of application fields. Its features and functionality make it a great choice for those who need a high degree of timing accuracy and control in an ultra-small and low-cost package.

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