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| 型号： | SI5367C-C-GQ |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 9/80页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK MULTIPLIER PROG 100TQFP |
| 标准包装： | 90 |
| 系列： | DSPLL® |
| 类型： | 时钟乘法器 |
| PLL： | 是 |
| 输入： | 时钟 |
| 输出： | CML，CMOS，LVDS，LVPECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 4:5 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 346MHz |
| 除法器/乘法器： | 无/是 |
| 电源电压： | 1.71 V ~ 2.75 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-TQFP |
| 供应商设备封装： | 100-TQFP（14x14） |
| 包装： | 托盘 |
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Si5367
Rev. 0.5
17
3. Functional Description
The Si5367 is a low jitter, precision clock multiplier for
applications requiring clock multiplication without jitter
attenuation. The Si5367 accepts four clock inputs
ranging from 10 to 707 MHz and generates five
frequency-multiplied clock outputs ranging from 2 kHz
to 945 MHz and select frequencies to 1.4 GHz. The
device provides virtually any frequency translation
combination across this operating range. Independent
dividers are available for every input clock and output
clock, so the Si5367 can accept input clocks at different
frequencies and it can generate output clocks at
different frequencies. The Si5367 input clock frequency
and clock multiplication ratio are programmable through
an I2C or SPI interface. Silicon Laboratories offers a
PC-based software utility, DSPLLsim, that can be used
to determine the optimum PLL divider settings for a
given
input
frequency/clock
multiplication
ratio
combination that minimizes phase noise and power
consumption. This utility can be downloaded from
http://www.silabs.com/timing (click on Documentation).
The Si5367 is based on Silicon Laboratories' 3rd-
generation DSPLL technology, which provides any-
frequency synthesis in a highly integrated PLL solution
that eliminates the need for external VCXO and loop
filter components. The Si5367 PLL loop bandwidth is
digitally programmable and supports a range from
150kHz to 1.3MHz. The DSPLLsim software utility can
be used to calculate valid loop bandwidth settings for a
given input clock frequency/clock multiplication ratio.
The Si5367 monitors all input clocks for loss-of-signal
and provides a LOS alarm when it detects missing
pulses on its inputs.
In the case when the input clocks enter alarm
conditions, the PLL will freeze the DCO output
frequency near its last value to maintain operation with
an internal state close to the last valid operating state.
The Si5367 has five differential clock outputs. The
signal format of the clock outputs is programmable to
support LVPECL, LVDS, CML, or CMOS loads. If not
required, unused clock outputs can be powered down to
minimize power consumption. In addition, the phase of
each output clock may be adjusted in relation to the
other output clocks. The resolution varies from 800 ps to
2.2 ns depending on the PLL divider settings. Consult
the DSPLLsim configuration software to determine the
phase offset resolution for a given input clock/clock
multiplication
ratio
combination.
For
system-level
debugging, a bypass mode is available which drives the
output clock directly from the input clock, bypassing the
internal DSPLL. The device is powered by a single 1.8
or 2.5 V supply.
3.1. Further Documentation
Consult
the
Silicon
Laboratories
Any-Frequency
Precision Clock Family Reference Manual (FRM) for
detailed information about the Si5367. Additional design
support is available from Silicon Laboratories through
your distributor.
Silicon
Laboratories
has
developed
a
PC-based
software utility called DSPLLsim to simplify device
configuration, including frequency planning and loop
bandwidth selection. The FRM and this utility can be
downloaded from http://www.silabs.com/timing; click on
Documentation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI5367C-C-GQR | 功能描述:时钟发生器及支持产品 mP-Program Precision Clk Multiplier 4/5 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 |
| SI5367-EVB | 制造商:Silicon Laboratories Inc 功能描述: |
| SI5368 | 制造商:SILABS 制造商全称:SILABS 功能描述:ANY-RATE PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR |
| Si5368A-B-GQ | 功能描述:锁相环 - PLL ANY-RATE CLK MULT JITTER ATTEN 5 OUTS RoHS:否 制造商:Silicon Labs 类型:PLL Clock Multiplier 电路数量:1 最大输入频率:710 MHz 最小输入频率:0.002 MHz 输出频率范围:0.002 MHz to 808 MHz 电源电压-最大:3.63 V 电源电压-最小:1.71 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:QFN-36 封装:Tray |
| SI5368A-B-GQR | 制造商:Silicon Laboratories Inc 功能描述: |
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