参数资料
| 型号： | AD9558BCPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/104页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK TRANSLATOR 64LFCSP |
| 产品变化通告： | AD9558 Minor Metal Mask Change 17/Apr/2012 |
| 标准包装： | 1 |
| 类型： | 时钟/频率转换器 |
| PLL： | 是 |
| 主要目的： | 以太网，SONET/SDH，Stratum |
| 输入： | CMOS，LVDS，LVPECL |
| 输出： | CMOS，HSTL，LVDS |
| 电路数： | 1 |
| 比率 - 输入:输出： | 4:6 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 1.25GHz |
| 电源电压： | 1.71 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 64-LFCSP-VQ（9x9） |
| 包装： | 托盘 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9558BCPZ-REEL7 | 功能描述:IC CLK XLATR PLL 1250MHZ 64LFCSP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:- 标准包装:28 系列:- 类型:时钟/频率发生器 PLL:是 主要目的:Intel CPU 服务器 输入:时钟 输出:LVCMOS 电路数:1 比率 - 输入:输出:3:22 差分 - 输入:输出:无/是 频率 - 最大:400MHz 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:64-TFSOP （0.240"，6.10mm 宽） 供应商设备封装:64-TSSOP 包装:管件 |
| AD9559 | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator |
| AD9559/PCBZ | 功能描述:时钟和定时器开发工具 Multi-protocol line card dual clock RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V |
| AD9559BCPZ | 功能描述:时钟发生器及支持产品 Multi-protocol line card dual clock 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 |
| AD9559BCPZ-REEL7 | 功能描述:时钟发生器及支持产品 Multi-protocol line card dual clock 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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