參數(shù)資料
型號： MAX3872ETJ+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/15頁
文件大?。?/td> 0K
描述： IC DATA RECOVERY W/AMP 32-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 60
類型： 時鐘和數(shù)據(jù)恢復(fù)（CDR），多路復(fù)用器
PLL： 是
主要目的： 以太網(wǎng)，SONET/SDH
輸入： CML
輸出： CML
電路數(shù)： 1
比率 - 輸入:輸出： 1:2
差分 - 輸入:輸出： 是/是
頻率 - 最大： 2.67GHz
電源電壓： 3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-TQFN-EP（5x5）
包裝： 托盤 - 晶粒
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
Ω 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
Multirate Data Input: 2.667Gbps (FEC), 2.488Gbps,
1.244Gbps, 622.08Mbps, 155.52Mbps,
1.25Gbps/2.5Gbps (Ethernet)
Reference Clock Not Required for Data
Acquisition
Exceeds ANSI, ITU, and Bellcore SONET/SDH
Jitter Specifications
2.7mUIRMS Jitter Generation
10mVP-P Input Sensitivity Without Threshold
Adjust
0.65UIP-P High-Frequency Jitter Tolerance
±170mV Input Threshold Adjust Range
Clock Holdover Capability Using Frequency-
Selectable Reference Clock
Serial Loopback Input Available for System
Diagnostic Testing
Loss-of-Lock (LOL) Indicator
MAX3872
Multirate Clock and Data Recovery
with Limiting Amplifier
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
SDI+
CAZ-
CAZ+ FREFSET VCC
CAZ
0.1
μF
SDI-
SLBI-
SIS LREF LOL
+3.3V
SYSTEM
LOOPBACK DATA
+3.3V
VCTRL
MAX3872
SLBI+
CML
SDO+
SDO-
SCLKO-
CFIL
0.82
μF
SCLKO+
RATESET
RS2
RS1
GND
VREF
+3.3V
VCC_VCO
FIL
+3.3V
FILTER
IN
GND
OUT+
OUT-
VCC
+3.3V
MAX3745
Typical Application Circuit
19-2709; Rev 3; 2/07
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.
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-EP*
G3255-1
MAX3872ETJ+
-40°C to +85°C 32 TQFN-EP*
T3255-3
*
EP = Exposed pad.
+
Denotes lead-free package.
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參數(shù)描述
MAX3872ETJ+ 功能描述:計(jì)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+T 功能描述:計(jì)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
MAX3872EVKIT 功能描述:計(jì)時器和支持產(chǎn)品 Evaluation Kit for the MAX3872 MAX3874 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
MAX3873AEGP 功能描述:計(jì)時器和支持產(chǎn)品 2.5/2.7Gbps Clk-Reco & Data-Retiming IC 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
MAX3873AEGP+ 制造商:Maxim Integrated Products 功能描述:CLOCK RECOVERY 20QFN - Bulk
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