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MAX3874

更新时间： 2024-01-15 19:33:58
品牌 Logo 应用领域
美信 - MAXIM 放大器时钟
页数 文件大小 规格书
13页 436K
描述
2.488Gbps/2.667Gbps Clock and Data Recovery with Limiting Amplifier

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MAX3874 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFN包装说明：5 X 5 MM, 0.90 MM HEIGHT, MO-220, QFN-32
针数：32Reach Compliance Code：not_compliant
HTS代码：8542.39.00.01风险等级：5.29
应用程序：SONET;SDHJESD-30 代码：S-XQCC-N32
JESD-609代码：e0长度：5 mm
湿度敏感等级：1功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：245电源：3.3 V
认证状态：Not Qualified座面最大高度：1 mm
子类别：ATM/SONET/SDH ICs最大压摆率：0.215 mA
标称供电电压：3.3 V表面贴装：YES
技术：BIPOLAR电信集成电路类型：ATM/SONET/SDH CLOCK RECOVERY CIRCUIT
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

MAX3874 数据手册

 浏览型号MAX3874的Datasheet PDF文件第2页浏览型号MAX3874的Datasheet PDF文件第3页浏览型号MAX3874的Datasheet PDF文件第4页浏览型号MAX3874的Datasheet PDF文件第5页浏览型号MAX3874的Datasheet PDF文件第6页浏览型号MAX3874的Datasheet PDF文件第7页 
198-2710; Rev 0; 2/03  
2.488Gbps/2.667Gbps Clock and  
Data Recovery with Limiting Amplifier  
General Description  
Features  
The MAX3874 is a compact, dual-rate clock and data  
recovery with limiting amplifier for OC-48 and OC-48  
with FEC SONET/SDH 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 this 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.  
ꢀ 2.488Gbps and 2.667Gbps Input Data Rates  
ꢀ Reference Clock Not Required for Data  
Acquisition  
ꢀ Exceeds ANSI, ITU, and Bellcore SONET/SDH  
Jitter Specifications  
ꢀ 2.7mUI  
Clock Jitter Generation  
RMS  
ꢀ 10mV  
Input Sensitivity Without Threshold  
P-P  
Adjust  
ꢀ 0.65UI  
High-Frequency Jitter Tolerance  
P-P  
ꢀ
170mV Wide Input Threshold Adjust Range  
The MAX3874 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 50Ω back termination on  
each line. Its jitter performance exceeds all SONET/  
SDH specifications. The MAX3874A is the MAX3874  
with a voltage-controlled oscillator (VCO) centered at  
2.0212GHz.  
ꢀ Clock Holdover Capability Using Frequency-  
Selectable Reference Clock  
ꢀ Serial Loopback Input Available for System  
Diagnostic Testing  
ꢀ Loss-of-Lock (LOL) Indicator  
ꢀ Small 5mm ✕ 5mm 32-Pin QFN Package  
The MAX3874 operates from a single +3.3V supply and  
typically consumes 580mW. It is available in a 5mm ✕  
5mm 32-pin QFN with exposed pad package and oper-  
ates over the -40°C to +85°C temperature range.  
Ordering Information  
PIN-  
PKG  
PART  
TEMP RANGE  
PACKAGE  
CODE  
Applications  
SONET/SDH Receivers and Regenerators  
Add/Drop Multiplexers  
32 QFN-EP*  
32 QFN-EP*  
MAX3874EGJ  
-40°C to +85°C  
-40°C to +85°C  
G3255-1  
G3255-1  
MAX3874AEGJ**  
*EP = Exposed pad.  
Digital Cross-Connects  
**Contains a VCO centered at 2.0212GHz.  
SONET/SDH Test Equipment  
DWDM Transmission Systems  
Access Networks  
Pin Configuration appears at end of data sheet.  
Typical Application Circuit  
+3.3V  
+3.3V  
CAZ  
0.1µF  
C
+3.3V +3.3V  
FIL  
0.068µF  
V
CC  
FIL VCC_VCO CAZ- CAZ+ FREFSET V  
CC  
FILTER  
OUT+  
SDI+  
2.488Gbps DATA  
MAX3745*  
OUT-  
SDO+  
SDO-  
SDI-  
CML  
CML  
IN  
SLBI+  
SLBI-  
MAX3874  
GND  
SCLKO+  
SCLKO-  
+3.3V  
V
V
CTRL  
REF  
2.488Gbps SYSTEM  
LOOPBACK DATA  
SIS  
LREF LOL  
+3.3V  
RATESET GND  
*FUTURE PRODUCT  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...13

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