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参数资料
| 型号： | SI5338-EVB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 22/44页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION SI5338 |
| 标准包装： | 1 |
| 主要目的： | 计时，时钟发生器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | Si5338 |
| 主要属性： | LVPECL/LVDS：160 kHz 至 700 MHz，<1 ps RMS 标准抖动，零 ppm 频率错误 |
| 次要属性： | 基于 USB 的 GUI，用于编程，I2C/SMBus 兼容接口，1.8、2.5 或 3.3 V |
| 已供物品： | 板，线缆，CD，样品 |
| 产品目录页面： | 628 (CN2011-ZH PDF) |
| 相关产品： | 336-1555-5-ND - IC CLK GEN QUAD 200MHZ 24-QFN 336-1554-5-ND - IC CLK GEN QUAD 350MHZ 24-QFN 336-1553-5-ND - IC CLK GEN QUAD 700MHZ 24-QFN |
| 其它名称： | 336-1556 |
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Si5338
Rev. 1.3
29
4.2. Synchronous Frequency Translation
In other cases, it is useful to generate an output
frequency that is synchronous (or phase-locked) to
another clock frequency. The Si5338 is the ideal choice
for
generating
up
to
four
clocks
with
different
frequencies with a fixed phase relationship to an input
reference. Because of its highly precise frequency
synthesis, the Si5338 can generate all four output
frequencies with 0 ppm error to the input reference. The
Si5338 is an ideal choice for applications that have
traditionally required multiple stages of frequency
synthesis to achieve complex frequency translations.
Examples are in broadcast video (e.g., 148.5 MHz to
148.351648351648 MHz), WAN/LAN applications (e.g.
155.52 MHz
to
156.25 MHz),
and
Forward
Error
Correction (FEC) applications (e.g., 156.25 MHz to
161.1328125 MHz). Using the input reference selectors,
the Si5338 can select from one of four inputs (IN1/IN2,
IN3, IN4, and IN5/IN6). Figure 18 shows the Si5338
configured
as
a
synchronous
clock
generator.
Frequencies and multiplication ratios may be entered
into ClockBuilder Desktop using fractional notation to
ensure that the exact scaling ratios can be achieved.
Figure 18. Si5338 as a Synchronous Clock
Generator or Frequency Translator
4.3. Configurable Buffer and Level Transla-
tor
Using the output selectors, the synthesis stage can be
entirely bypassed allowing the Si5338 to act as a
configurable clock buffer/divider with level translation
and selectable inputs. Because of its highly selectable
configuration, virtually any combination is possible. The
configurable
output
drivers
allow
four
differential
outputs, eight single-ended outputs, or a combination of
both. Figure 19 shows the Si5338 configured as a
flexible clock buffer.
Figure 19. Si5338 as a Configurable Clock
Buffer/Divider with Level Translation
4.3.1. Combination Free-Running and Synchronous
Clock Generator
Another application of the Si5338 is in generating both
free-running and synchronous clocks in one device.
This is accomplished by configuring the input and
output selectors for the desired split configuration. An
example of such an application is shown in Figure 20.
Figure 20. Si5338 In a Free-Running and
Synchronous Clock Generator Application
MS0
R0
Si5338
F0
F1
F2
F3
MS1
R1
MS2
MS3
R2
R3
P1
P2
PLL
ref
Fin
R0
S i53 38
R1
R2
R3
F in
F in *
1
R0
F in *
1
R1
F in *
1
R2
F in *
1
R3
R0
F0
F1
F2
F3
R1
MS2
MS3
R2
R3
P2
Si5338
Osc
XTAL
PLL
ref
Fin
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI5338F-A01839-GM | 制造商:Silicon Laboratories Inc 功能描述:CLOCK - Bulk |
| SI5338F-A01839-GMR | 制造商:Silicon Laboratories Inc 功能描述:CLOCK - Tape and Reel |
| Si5338F-A-GM | 功能描述:时钟发生器及支持产品 I2C-PRGRMBL clock generatr 0.16-200MHz RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| SI5338F-A-GMR | 功能描述:时钟发生器及支持产品 I2C-Program Clk Gen 0.16-200MHz Pin-Ctrl RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| Si5338F-B-GM | 功能描述:时钟发生器及支持产品 I2C-PRGRMBL clock generatr 0.16-200MHz RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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