SI5350A-B02481-GT

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The SI5350A-B02481-GT is a multi-output programmable fractional-N synthesizer from Silicon Labs. This device is part of the Precision Clock Platform and is designed for clock generation, synchronization, and distribution applications, such as test and measurement equipment, control systems, and data acquisition systems.

The SI5350A-B02481-GT is a frequency synthesizer that operates from a single reference frequency, commonly the system clock, and generates precise frequency signals at various output frequencies. It can generate up to five high-precision differential outputs, synchronizing local clocks to a system or reference clock.

The device\'s fractional-N architecture utilizes modulo-N counters, which allow users to specify any fractional-N output frequency within a frequency range between 0.2 and 700 MHz, including modulo-N frequencies. With a wide modulation bandwidth, ranging from 200 µHz to 20 kHz, users can have precise control of the output frequencies during fractional-N spurs or during code transitions.

The SI5350A-B02481-GT also has integrated spread-spectrum clocking (SSC) and digital tunability to reduce EMI in applications requiring closefrequency margins with small spur changes. SSC allows for applications requiring more than one output frequency, to increment small amounts down each hierarchical level of the clock tree.

The device is fully programmable via an I2C or SPI interface, allowing users to configure the clocking capabilities in a variety of ways. Additionally, clock outputs are also programmable in percentage or absolute levels of the reference frequency, making it easy to match a particular user\'s needs.

The SI5350A-B02481-GT also offers integrated fail-safe circuits, with switchover logic and one-pulse jitter attenuator for transitioning the outputs to safe switching frequencies in the event of a system clock failure. This feature provides the highest level of reliability for critical applications.

In order to ensure its performance, the SI5350A-B02481-GT is designed for use in an >3.3 V single-supply analysis, with an operating temperature range of -40 °C to +105 °C. The device is available in a tiny 8-lead MSOP package and is ROHS compliant.

The SI5350A-B02481-GT is suited for a wide range of military, industrial and communication applications including test and measurement equipment, long-distance communications, audio mastering, and digital television broadcasting.

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