参数资料
型号: ADN2814ACPZ
厂商: Analog Devices Inc
文件页数: 1/28页
文件大小: 0K
描述: IC CLOCK/DATA RECOVERY 32LFCSP
标准包装: 1
类型: 时钟和数据恢复(CDR),多路复用器
PLL:
主要目的: SONET/SDH
输入: CML
输出: LVDS
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 是/是
频率 - 最大: 675MHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 托盘
Continuous Rate 10 Mb/s to 675 Mb/s Clock and
Data Recovery IC with Integrated Limiting Amp
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
www.analog.com
Fax: 781.461.3113
2005–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Serial data input: 10 Mb/s to 675 Mb/s
Exceeds SONET requirements for jitter transfer/
generation/tolerance
Quantizer sensitivity: 3.3 mV typical
Adjustable slice level: ±95 mV
Patented clock recovery architecture
Loss-of-signal (LOS) detect range: 2.3 mV to 19 mV
Independent slice level adjust and LOS detector
No reference clock required
Loss-of-lock indicator
I2C interface to access optional features
Single-supply operation: 3.3 V
Low power: 435 mW typical
5 mm × 5 mm, 32-lead LFCSP, Pb free
APPLICATIONS
SONET OC-1/-3/-12 and all associated FEC rates
ESCON, Fast Ethernet, serial digital interfaces (DTV)
WDM transponders
Regenerators/repeaters
Test equipment
Broadband cross-connects and routers
GENERAL DESCRIPTION
The ADN2814 provides the receiver functions of quantization,
signal level detect, and clock and data recovery for continuous
data rates from 10 Mb/s to 675 Mb/s. The ADN2814 automati-
cally locks to all data rates without the need for an external
reference clock or programming. All SONET jitter requirements
are met, including jitter transfer, jitter generation, and jitter
tolerance. All specifications are quoted for 40°C to +85°C
ambient temperature, unless otherwise noted.
This device, together with a PIN diode and a TIA preamplifier,
can implement a highly integrated, low cost, low power fiber
optic receiver.
The receiver front-end, loss-of-signal (LOS) detector circuit
indicates when the input signal level has fallen below a user-
adjustable threshold. The LOS detect circuit has hysteresis to
prevent chatter at the output.
The ADN2814 is available in a compact 5 mm × 5 mm,
32-lead LFCSP.
FUNCTIONAL BLOCK DIAGRAM
2
SLICEP/SLICEN
LOL
DATAOUTP/
DATAOUTN
LOS
THRADJ
CLKOUTP/
CLKOUTN
ADN2814
2
VCC
VEE
CF1
CF2
PIN
NIN
VREF
QUANTIZER
VCO
PHASE
SHIFTER
PHASE
DETECT
FREQUENCY
DETECT
LOS
DETECT
DATA
RE-TIMING
LOOP
FILTER
LOOP
FILTER
REFCLKP/REFCLKN
(OPTIONAL)
2
04949-
001
Figure 1.
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