SY100E222LTG

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers increasingly play a critical role in systems that require synchronization and precision. This is especially true as more and more devices, such as mobile phones, GPS systems and automotive controls, move towards quad band and intensive signal processing.The SY100E222LTG is an advanced, low jitter Clock Generator, Phase Locked Loop (PLL) and Frequency Synthesizer capable of providing precision synchronization for multi-carrier applications.

Overview and Features

The SY100E222LTG draws upon integrated-circuit technology, offering high integration via semiconductor technology. Key features include:

• Able to generate a total of 16 clocks per device: six independent outputs plus four LVCMOS outputs and two LVDS outputs
• Supports fractional and integer settings with +/- 10% accuracy
• 4-outputs PLL for synchronization with 5GHz output frequency
• On-chip low power consumption design
• Integrated Pass-through master clock and LVDS outputs
• Output frequency range of kHz to 5GHz
• Integrated on-chip crystal oscillator

Application Field

The SY100E222LTG can be used in many applications, including:

• Wireless/Mobile base stations, including: LTE, WCDMA/HSPA, Wi-Fi, GPS and other multi-carrier radios.
• Data communications, such as: Storage and High speed serial.
• Low-power internet-of-things (IoT) designs.
• Industrial automation.
• Automotive and aerospace systems.
• Medical and Military designs.

Working Principle

The SY100E222LTG consists of an on-chip crystal oscillator, four phase-locked loops (PLLs) and multiple output frequency dividers. The package is designed to minimize size while meeting the highest performance requirements.

The integrated crystal oscillator provides reference to the device and operates within temperature ranges of -40°C to 105°C. The crystal oscillator requires only a small external load capacitor and a ground pin connection.

The SY100E222LTG contains four PLLs with multiple outputs, enabling users to generate up to 16 clock signals with minimal jitter. The PLLs can be used to generate a wide range of frequencies from kHz to 5GHz, depending on the user’s specific requirements.

The PLLs are phase-locked loop frequency synthesizers that can generate an output frequency based on a reference frequency. Each PLL is composed of two components: the phase detector and the loop filter. The phase detector monitors the difference between the input reference frequency and the feedback frequency from the frequency divider. The loop filter is used to adaptively adjust the output of the PLL in order to lock onto the specified reference frequency.

The SY100E222LTG also contains multiple frequency dividers, which are used to divide down the output frequency generated by the PLLs. The dividers are used to generate different frequencies and they allow the PLL to lock onto the desired frequency more accurately. The output of the dividers are then passed to the outputs in order to generate the desired output frequency.

Application of the SY100E222LTG is further aided by a power-saving design and an on-chip EEPROM, allowing the user to store and configure settings during device operation. The device also supports a range of output power levels, enabling it to be used in a variety of applications with minimal power consumption.

Conclusion

The SY100E222LTG is an advanced, low jitter Clock Generator, Phase Locked Loop (PLL) and Frequency Synthesizer capable of providing precision synchronization for multi-carrier applications. It draws upon sophisticated integrated-circuit technology, offering high integration via semiconductor solutions. With its on-chip crystal oscillator, four-output PLL and multiple frequency dividers, it is suitable for a wide range of applications including Wireless/Mobile base stations, Data communication, Low-power IoT designs, Industrial automation, Automotive and aerospace systems, Medical and Military designs.

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