Skyworks Solutions Inc. SI5338 Clock Generators
Skyworks Solutions Inc. SI5338 Clock Generators offer high performance and low jitter and are capable of synthesizing any frequency on each of the device's four output drivers. These timing ICs are capable of replacing up to four different frequency crystal oscillators or operating as a frequency translator. Using a patented MultiSynth™ technology, the Si5338 Clock Generators allow the generation of four independent clocks with 0ppm precision. Each output clock is independently configurable to support various signal formats and supply voltages. These devices are programmable via an I2C/SMBus-compatible serial interface and support operation from a 1.8, 2.5, or 3.3V core supply.
The Skyworks Solutions Inc. SI5338 Clock Generators provide low-jitter frequency synthesis in a compact, 4mm x 4mm Quad-Flat No-Leads package, ideal for space-constrained applications.
Features
- Low-power MultiSynth™ technology enables independent, any-frequency synthesis on four differential output drivers
- Highly configurable output drivers with up to four differential outputs, eight single-ended clock outputs, or a combination of both
- Low phase jitter of 0.7ps RMS typical
- High precision synthesis allows true zero ppm frequency accuracy on all outputs
- Flexible input reference:
- External crystal: 8MHz to 30MHz
- CMOS input: 5MHz to 200MHz
- SSTL/HSTL input: 5MHz to 350MHz
- Differential input: 5MHz to 710MHz
- Independently configurable outputs support any frequency or format:
- LVPECL/LVDS: 0.16MHz to 710MHz
- HCSL: 0.16MHz to 250MHz
- CMOS: 0.16MHz to 200MHz
- SSTL/HSTL: 0.16MHz to 350MHz
- Independent output voltage per driver: 1.5V, 1.8V, 2.5V, or 3.3V
- Single supply core with excellent PSRR: 1.8V, 2.5V, 3.3V
- Independent frequency increment and decrement feature enables glitchless frequency adjustments in 1ppm steps
- Independent phase adjustment on each of the output drivers with an accuracy of <20ps steps
- Highly configurable spread spectrum (SSC) on any output:
- Any frequency from 5MHz to 350MHz
- Any spread from 0.5% to 5.0%
- Any modulation rate from 33kHz to 63kHz
- External feedback mode allows zero-delay mode
- Loss of lock and loss of signal alarms
- I2C/SMBus compatible interface
- Easy to use programming software
- 4mm x 4mm QFN24 package
- Low power: 45mA core supply typical
- Wide -40°C to +85°C operating temperature range
Applications
- Ethernet switches and routers
- PCI Express 2.0 and 3.0
- Broadcast video and audio timing
- Processor and FPGA clocking
- MSAN/DSLAM/PON
- Any frequency clock conversion
- Fibre Channel, SAN
- Telecom line cards
- 1GbE and 10GbE
Videos
Functional Block Diagram
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发布日期: 2014-05-05
| 更新日期: 2024-05-28