SM802283UMG-TR

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The SM802283UMG-TR is a multi-chip module with set of clock generators, PLLs, and frequency synthesizers. It is designed to provide ultra-low jitter, flexible, low-power output signals to meet the requirements of mid- to high-end applications. The module can support the synchronization of disparate clock signals from different sources and generate an output frequency up to 600MHz.

The device is perfect for applications that require ultra low-jitter clocks and synchronous signals. It can provide clock data for high-speed serial communications protocols such as PCI Express (PCIe) and Serial Attached SCSI (SAS) as well as 10G Ethernet. It can also provide clean clock signals for digital audio/video data transmission and display applications.

Application Fields of the SM802283UMG-TR

The application fields of the SM802283UMG-TR are numerous and can be used as an input clock source for a variety of applications. It can be used for synchronization in communications, consumer, industrial and medical systems and for clock and data recovery in high-speed communication systems.

The device is an ideal source for clock and data recovery (CDR) in applications such as: multi-channel Serial ATA (SATA) hard drive systems, SAS storage, Fibre Channel connections, serial digital video (SDV), 10G, 40G and 100G Ethernet, digital audio and video (ASI/SDI), and 10Gb/s LANs.

The SM802283UMG-TR can also be used in mid-to-high-end consumer electronics where low-jitter clock signals are essential, such as in digital video streaming, digital video cameras, DVD players and recorders, digital camcorders, and HDTV systems.

Working Principle

The device contains two independent clock generating systems: a differential crystal oscillator (XO) and an injective differential-input clock generator (IDC). Input signals from the XO are combined and synchronized using a low-jitter input path. The XO is typically used to generate a 125MHz clock, however, a wide range of frequencies can be used.

The IDC supports clock frequencies from 20MHz to 600MHz. It generates clock signals from the input signals and injects them into the system’s clock manager. The IDC has a programmable phase-lock loop (PLL) for synchronization, and the clock manager contains a phase-matching circuit that adjusts the phase of the input signals in order to achieve the output frequency desired.

The clock signals are then fed through the device’s low-jitter output paths and are output in a variety of different forms such as LVDS, LVCMOS, HCSL and SSTL. All the necessary circuitry is included to allow for high-precision clock and data recovery.

Conclusion

The SM802283UMG-TR is a powerful and versatile clock generator, PLL, and frequency synthesizer that provides ultra-low jitter, low-power input and output signals for a variety of mid-to-high-end applications. Its clock manager can synchronize multiple clock sources from different sources and generate an output frequency up to 600MHz. It is also ideal for applications that require high-precision clock and data recovery in communications, consumer, industrial, and medical systems.

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