參數(shù)資料
型號： MAX3872
廠商： Maxim Integrated Products, Inc.
英文描述： 16-Channel LVDM Transceiver 64-TSSOP -40 to 85
中文描述： 多速率時鐘及數(shù)據(jù)恢復(fù)，帶有限幅放大器
文件頁數(shù)： 1/13頁
文件大小： 580K
代理商： MAX3872
General Description
The MAX3872 is a compact, multirate clock and data
recovery with limiting amplifier for OC-3, OC-12, OC-24,
OC-48, OC-48 with FEC SONET/SDH and Gigabit
Ethernet (1.25Gbps/2.5Gbps) applications. Without using
an external reference clock, the fully integrated phase-
locked loop (PLL) recovers a synchronous clock signal
from the serial NRZ data input. The input data is then
retimed by the recovered clock, providing a clean data
output. An additional serial input (SLBI
±
) is available for
system loopback diagnostic testing. Alternatively, this
input can be connected to a reference clock to maintain a
valid clock output in the absence of data transitions. The
device also includes a loss-of-lock (
LOL
) output.
The MAX3872 contains a vertical threshold control to
compensate for optical noise due to EDFAs in DWDM
transmission systems. The recovered data and clock
outputs are CML with on-chip 50
back termination on
each line. Its jitter performance exceeds all
SONET/SDH specifications.
The MAX3872 operates from a single +3.3V supply and
typically consumes 580mW. It is available in a 5mm x
5mm 32-pin thin QFN with exposed-pad package and
operates over a -40
°
C to +85
°
C temperature range.
Applications
SONET/SDH Receivers and Regenerators
Add/Drop Multiplexers
Digital Cross-Connects
SONET/SDH Test Equipment
DWDM Transmission Systems
Access Networks
Features
o
Multirate Data Input: 2.667Gbps (FEC), 2.488Gbps,
1.244Gbps, 622.08Mbps, 155.52Mbps,
1.25Gbps/2.5Gbps (Ethernet)
o
Reference Clock Not Required for Data
Acquisition
o
Exceeds ANSI, ITU, and Bellcore SONET/SDH
Jitter Specifications
o
2.7mUI
RMS
Jitter Generation
o
10mV
P-P
Input Sensitivity Without Threshold
Adjust
o
0.65UI
P-P
High-Frequency Jitter Tolerance
o
±
170mV Input Threshold Adjust Range
o
Clock Holdover Capability Using Frequency-
Selectable Reference Clock
o
Serial Loopback Input Available for System
Diagnostic Testing
o
Loss-of-Lock (
LOL)
Indicator
M
Multirate Clock and Data Recovery
with Limiting Amplifier
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
SDI+
CAZ-
CAZ+ FREFSET V
CC
CAZ
0.1
μ
F
SDI-
SLBI+
SLBI-
SIS LREF
LOL
+3.3V
SYSTEM
LOOPBACK DATA
+3.3V
V
CTRL
V
REF
MAX3872
CML
CML
SDO+
SDO-
SCLKO-
C
FIL
0.82
μ
F
SCLKO+
RATESET
RS2
RS1
GND
+3.3V
+3.3V
VCC_VCO
FIL
+3.3V
FILTER
IN
GND
OUT+
OUT-
V
CC
+3.3V
MAX3745*
*FUTURE PRODUCT
Typical Application Circuit
19-2709; Rev 1; 5/03
EVALUATION KIT
AVAILABLE
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
MAX3872EGJ
-40°C to +85°C
32 QFN
G3255-1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3872AETJ+ 功能描述:計時器和支持產(chǎn)品 Multirate Clock and Data Recovery with Limiting Amplifier RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872AETJ+T 功能描述:計時器和支持產(chǎn)品 Multirate Clock and Data Recovery with Limiting Amplifier RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872EGJ 功能描述:計時器和支持產(chǎn)品 Multirate Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872EGJ-T 功能描述:計時器和支持產(chǎn)品 Multirate Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872ETJ+ 功能描述:計時器和支持產(chǎn)品 Multirate Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
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