SI5351 high frequency signal square wave frequency generator signal generator 5351 Si5351A

Description
• The Si5351 is an I2C configurable clock generator that is ideally suited for replacing
crystals, crystal oscillators, VCXOs, phase-locked loops (PLLs), and fanout buffers in
cost-sensitive applications.
• Based on a PLL/VCXO + high resolution Multisite fractional divider architecture, the Si5351 can generate any frequency up to 160 MHz on each of its outputs with 0 ppm error.
• Three versions of the Si5351 are available to meet a wide variety of applications. The Si5351A generates up to 8 free-running clocks using an internal oscillator for replacing crystals and crystal oscillators.
• The Si5351B adds an internal VCXO and provides the flexibility to replace both free-running clocks and synchronous clocks.
• The Si5351B eliminates the need for higher cost, custom pullable crystals while providing reliable operation over a wide tuning range. The Si5351C offers the same flexibility but synchronizes to an external reference clock (CLKIN)
Features:
• Generates up to 8 non-integer-related
• frequencies from 8 kHz to 160 MHz
• I2C user definable configuration
• Exact frequency synthesis at each output (0 ppm error)
• Highly linear VCXO
• Optional clock input (CLKIN)
• Low output period jitter: 100 ps pp
• Configurable spread spectrum selectable at each output
• Operates from a fixed frequency
• crystal: 25 or 27 MHz
• Supports static phase offset
• Programmable rise/fall time control
• Glitch less frequency changes Separate voltage supply pins: Core VDD: 2.5 or 3.3 V Output VDDO: 1.8, 2.5, or 3.3 V
Applications
o HDTV, DVD/Blu-ray, set-top box
o Printers, scanners, projectors
o Audio/video equipment, gaming
o Residential gateways
o Serve