SI5338-EVB转换器Silicon时钟发生器

Features
特征
Applications
应用
Description
描述
The Si5338 is a high-performance, low-jitter clock generator capable of
的si5338是一种高性能、低抖动时钟发生器可
synthesizing any frequency on each of the device's four output drivers. This timing
合成任何频率对每个设备的四个输出驱动器。这个时机
IC is capable of replacing up to four different frequency crystal oscillators or
集成电路能够取代多达四个不同频率的晶体振荡器或
operating as a frequency translator. Using its patented MultiSynth™ technology,
作为频率转换器工作。使用其专利MultiSynth™技术，
the Si5338 allows generation of four independent clocks with 0 ppm precision.
的si5338允许四与0 ppm的精度独立时钟产生。
Each output clock is independently configurable to support various signal formats
每个输出时钟独立配置，以支持各种信号格式
and supply voltages. The Si5338 provides low-jitter frequency synthesis in a
电源电压。的si5338提供低抖动频率合成
space-saving 4 x 4 mm QFN package. The device is programmable via an I2C/
节省空间的4×4毫米QFN封装。该装置可通过一个I2C /
SMBus-compatible serial interface and supports operation from a 1.8, 2.5, or
SMBus兼容串行接口，支持从1.8，2.5，或
3.3 V core supply. I2C device programming is made easy with the ClockBuilder™
3.3 V型芯电源。I2C器件编程是容易的ClockBuilder™
Desktop software available at www.silabs.com/ClockBuilder.
桌面软件可在www.silabs.com/clockbuilder。
 Low power MultiSynth™ technology
MultiSynth™低功耗技术
enables independent, any-frequency
使独立，任何频率
synthesis on four differential output
四差动输出的综合
drivers
司机
 Highly-configurable output drivers with
高度可配置的输出驱动器
up to four differential outputs, eight
高达四差分输出，八
single-ended clock outputs, or a
单端时钟输出，或
combination of both
两者的结合
 Low phase jitter of 0.7 ps RMS typ
低相位抖动为0.7 ps rms值
 High precision synthesis allows true
高精度合成允许真正
zero ppm frequency accuracy on all
零PPM频率精度在所有
outputs
输出
 Flexible input reference:
灵活的输入参考：
External crystal: 8 to 30 MHz
外部晶体：8至30兆赫
CMOS input: 5 to 200 MHz
CMOS输入：5至200兆赫
SSTL/HSTL input: 5 to 350 MHz
SSTL / HSTL输入：5至350兆赫
Differential input: 5 to 710 MHz
差动输入：5至710兆赫
 Independently configurable outputs
独立配置的输出
support any frequency or format:
支持任何频率或格式：
LVPECL/LVDS: 0.16 to 710 MHz
LVPECL、LVDS：0.16至710兆赫
HCSL: 0.16 to 250 MHz
HCSL：0.16至250兆赫
CMOS: 0.16 to 200 MHz
CMOS：0.16至200兆赫
SSTL/HSTL: 0.16 to 350 MHz
SSTL / HSTL：0.16至350兆赫
 Independent output voltage per driver:
独立输出电压每驱动器：
1.5, 1.8, 2.5, or 3.3 V
1.5、1.8、2.5、或3.3伏
 Single supply core with excellent
单电源核心优良
PSRR: 1.8, 2.5, 3.3 V
电源抑制比：1.8，2.5，3.3 V
 Independent frequency increment/
独立频率增量/
decrement feature enables
减量功能使
glitchless frequency adjustments in
无干扰的频率调整
1 ppm steps
1 ppm的步骤
 Independent phase adjustment on
独立相位调整
each of the output drivers with an
每个输出驱动器与
accuracy of <20 ps steps
< 20 ps步骤的准确性
 Highly configurable spread
高度可配置的扩展
spectrum (SSC) on any output:
谱（SSC）在任何输出：
Any frequency from 5 to 350 MHz
任何频率从5至350兆赫
Any spread from 0.5 to 5.0%
任何传播从0.5到5%
Any modulation rate from 33 to
任何调制速率从33到
63 kHz
63千赫
 External feedback mode allows
外部反馈模式允许
zero-delay mode
零延迟模式
 Loss of lock and loss of signal
失锁和信号损失
alarms
警报
 I
我
2C/SMBus compatible interface
2C／SMBus兼容接口
 Easy to use programming software
易于使用的编程软件
 Small size: 4 x 4 mm, 24-QFN
小尺寸：4 x 4毫米，24-qfn
 Low power: 45 mA core supply typ
低功耗：45毫安典型核心供应
 Wide temperature range: –40 to
宽温度范围：–40
+85 °C
85°C
 Ethernet switch/router
以太网交换机/路由器
 PCI Express 2.0/3.0
PCI Express 2 / 3
 Broadcast video/audio timing
广播音频/视频同步
 Processor and FPGA clocking
处理器和FPGA时钟
 Any-frequency clock conversion
任何时钟频率转换
 MSAN/DSLAM/PON
MSAN / DSLAM / PON
 Fibre Channel, SAN
光纤通道，SAN
 Telecom line cards

电信线路卡

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