LTC6955 (3)
The LTC6955 is available from Analog Devices Inc. Inc. at Xecor. Designed for high-performance clock distribution and ultralow jitter applications, the LTC6955 offers additive output jitter as low as ~45fs RMS and supports frequencies up to 7.5GHz. Available in 52-WFQFN Exposed Pad packages, it is ideal for SONET, Fibre Channel, GigE clock distribution, wireless and wired communications, and single-ended to differential conversion. Whether used in data converter clocking, JESD204B subclass 1 SYSREF signal generation, or low skew and jitter clock fanout, this series ensures exceptional performance and flexibility for demanding applications. Xecor is an authorized distributor for Analog Devices Inc. Inc.. Please view our extensive selection of the LTC6955 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC6955IUKG-1#PBF | Clock Fanout Buffer 11-OUT 1-IN 1:11 52-Pin QFN EP Tube | QFN-52 | 6,209 | |
| LTC6955IUKG-1#TRPBF | Clock Fanout Buffer 11-OUT 1-IN 1:11 52-Pin QFN EP T/R | QFN-52 | 9,311 | |
| LTC6955IUKG#PBF | Perfect for high-density applications, this EP tube features pins in an mm x m footprin | QFN-52 | 6,049 |
Key Featrues
High Performance Data Converter Clocking: The LTC6955 provides ultralow jitter clock distribution, ensuring precise timing for high-performance data converters. This feature significantly enhances the signal-to-noise ratio (SNR) and overall accuracy of analog-to-digital converters (ADCs), making it ideal for applications requiring high-speed and high-resolution data conversion.
Flexible Output Configuration: With its 4-pin parallel control port, the LTC6955 allows for customizable output setups, enabling anywhere from three to eleven outputs. This flexibility simplifies system design and optimization, particularly in complex clock distribution networks for wireless and wired communication systems.
Ultralow Additive Jitter: The device boasts an additive output jitter of ~45fs RMS (ADC SNR method) and less than 5fs RMS in a 12kHz to 20MHz integration bandwidth at 7.5GHz. This ultralow jitter ensures minimal signal distortion, improving the performance of high-frequency communication systems and reducing errors in data transmission.
Single-Ended to Differential Conversion: The LTC6955 supports single-ended to differential conversion, enabling seamless integration with both single-ended and differential input systems. This feature enhances compatibility across various applications, including SONET, Fibre Channel, and GigE clock distribution.
Integrated Frequency Divider (LTC6955-1 Variant): The LTC6955-1 variant includes a divide-by-2 frequency divider, allowing it to generate JESD204B subclass 1 SYSREF signals. This capability simplifies the design of high-speed data acquisition systems by providing synchronized clock and SYSREF signals, ensuring precise timing alignment in JESD204B-compliant systems.
Flexible Output Configuration: With its 4-pin parallel control port, the LTC6955 allows for customizable output setups, enabling anywhere from three to eleven outputs. This flexibility simplifies system design and optimization, particularly in complex clock distribution networks for wireless and wired communication systems.
Ultralow Additive Jitter: The device boasts an additive output jitter of ~45fs RMS (ADC SNR method) and less than 5fs RMS in a 12kHz to 20MHz integration bandwidth at 7.5GHz. This ultralow jitter ensures minimal signal distortion, improving the performance of high-frequency communication systems and reducing errors in data transmission.
Single-Ended to Differential Conversion: The LTC6955 supports single-ended to differential conversion, enabling seamless integration with both single-ended and differential input systems. This feature enhances compatibility across various applications, including SONET, Fibre Channel, and GigE clock distribution.
Integrated Frequency Divider (LTC6955-1 Variant): The LTC6955-1 variant includes a divide-by-2 frequency divider, allowing it to generate JESD204B subclass 1 SYSREF signals. This capability simplifies the design of high-speed data acquisition systems by providing synchronized clock and SYSREF signals, ensuring precise timing alignment in JESD204B-compliant systems.
Applications
High-Speed Data Converter Clocking: The LTC6955 is ideal for high-performance clock distribution in data converter systems, such as ADCs and DACs. Its ultralow jitter and high-frequency capability (up to 7.5GHz) ensure precise timing, making it suitable for high-speed communication and signal processing applications in telecommunications and test equipment.
SONET, Fibre Channel, and GigE Clock Distribution: The LTC6955 excels in distributing low-jitter clock signals for SONET, Fibre Channel, and Gigabit Ethernet networks. Its ability to drive multiple outputs with minimal skew and jitter ensures reliable synchronization in high-speed networking and data transmission systems.
Wireless and Wired Communication Systems: The LTC6955 is well-suited for clock distribution in both wireless and wired communication systems. Its high-frequency operation and low additive jitter make it ideal for maintaining signal integrity in RF and baseband applications, ensuring robust performance in 5G, LTE, and other advanced communication technologies.
Single-Ended to Differential Conversion: The LTC6955 is perfect for converting single-ended clock signals to differential outputs in high-speed digital systems. Its CML outputs and ability to invert polarity simplify board routing and improve signal integrity, making it a valuable component in high-speed PCB designs and mixed-signal systems.
SONET, Fibre Channel, and GigE Clock Distribution: The LTC6955 excels in distributing low-jitter clock signals for SONET, Fibre Channel, and Gigabit Ethernet networks. Its ability to drive multiple outputs with minimal skew and jitter ensures reliable synchronization in high-speed networking and data transmission systems.
Wireless and Wired Communication Systems: The LTC6955 is well-suited for clock distribution in both wireless and wired communication systems. Its high-frequency operation and low additive jitter make it ideal for maintaining signal integrity in RF and baseband applications, ensuring robust performance in 5G, LTE, and other advanced communication technologies.
Single-Ended to Differential Conversion: The LTC6955 is perfect for converting single-ended clock signals to differential outputs in high-speed digital systems. Its CML outputs and ability to invert polarity simplify board routing and improve signal integrity, making it a valuable component in high-speed PCB designs and mixed-signal systems.
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