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參數(shù)資料
| 型號： | AD9558/PCBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/104頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD9558 |
| 產(chǎn)品變化通告： | AD9558 Minor Metal Mask Change 17/Apr/2012 |
| 設計資源： | AD9558 Eval Brd BOM AD9558 Schematic |
| 標準包裝： | 1 |
| 系列： | * |
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Quad Input Multiservice Line Card Adaptive
Clock Translator with Frame Sync
Data Sheet
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2011–2013 Analog Devices, Inc. All rights reserved.
FEATURES
Supports GR-1244 Stratum 3 stability in holdover mode
Supports smooth reference switchover with virtually
no disturbance on output phase
Supports Telcordia GR-253 jitter generation, transfer, and
tolerance for SONET/SDH up to OC-192 systems
Supports ITU-T G.8262 synchronous Ethernet slave clocks
Supports ITU-T G.823, G.824, G.825, and G.8261
Auto/manual holdover and reference switchover
4 reference inputs (single-ended or differential)
Input reference frequencies: 2 kHz to 1250 MHz
Reference validation and frequency monitoring (1 ppm)
Programmable input reference switchover priority
20-bit programmable input reference divider
6 pairs of clock output pins with each pair configurable as
a single differential LVDS/HSTL output or as 2 single-ended
CMOS outputs
Output frequencies: 352 Hz to 1250 MHz
Programmable 17-bit integer and 24-bit fractional
feedback divider in digital PLL
Programmable digital loop filter covering loop bandwidths
from 0.1 Hz to 5 kHz (2 kHz maximum for <0.1 dB of
peaking)
Low noise system clock multiplier
Frame sync support
Adaptive clocking
Optional crystal resonator for system clock input
On-chip EEPROM to store multiple power-up profiles
Pin program function for easy frequency translation
configuration
Software controlled power-down
64-lead, 9 mm × 9 mm, LFCSP package
APPLICATIONS
Network synchronization, including synchronous Ethernet
and SDH to OTN mapping/demapping
Cleanup of reference clock jitter
SONET/SDH clocks up to OC-192, including FEC
Stratum 3 holdover, jitter cleanup, and phase transient
control
Wireless base station controllers
Cable infrastructure
Data communications
GENERAL DESCRIPTION
The AD9558 is a low loop bandwidth clock multiplier that
provides jitter cleanup and synchronization for many systems,
including synchronous optical networks (SONET/SDH). The
AD9558 generates an output clock synchronized to up to four
external input references. The digital PLL allows for reduction
of input time jitter or phase noise associated with the external
references. The digitally controlled loop and holdover circuitry
of the AD9558 continuously generates a low jitter output clock
even when all reference inputs have failed.
The AD9558 operates over an industrial temperature range of
40°C to +85°C. If a smaller package is required, refer to the
AD9557 for the two-input/two-output version of the same part.
FUNCTIONAL BLOCK DIAGRAM
REFERENCE INPUT
AND
MONITOR MUX
STATUS AND
CONTROL PINS
SERIAL INTERFACE
(SPI OR I2C)
EEPROM
DIGITAL
PLL
CLOCK
MULTIPLIER
STABLE
SOURCE
AD9558
ANALOG
PLL
FRAME SYNC
CHANNEL 1
DIVIDER
CHANNEL 2
DIVIDER
÷3 TO ÷11
HF DIVIDER 0
÷3 TO ÷11
HF DIVIDER 1
CHANNEL 0
DIVIDER
CHANNEL 3
DIVIDER
09758-
001
Figure 1.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD9559 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator |
| AD9559/PCBZ | 功能描述:時鐘和定時器開發(fā)工具 Multi-protocol line card dual clock RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V |
| AD9559BCPZ | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Multi-protocol line card dual clock RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| AD9559BCPZ-REEL7 | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Multi-protocol line card dual clock RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| AD9559PCBZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator |
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