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MAX3261ECJ-T

更新时间： 2024-11-27 20:59:03
品牌 Logo 应用领域
美信 - MAXIM 接口集成电路
页数 文件大小 规格书
12页 386K
描述
Interface Circuit, PQFP32, TQFP-32

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中文翻译

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MAX3261ECJ-T 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFP包装说明：TQFP-32
针数：32Reach Compliance Code：not_compliant
风险等级：5.69接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：S-PQFP-G32JESD-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：PLASTIC/EPOXY封装代码：TFQFP
封装形状：SQUARE封装形式：FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：245认证状态：Not Qualified
座面最大高度：1.2 mm最大供电电压：5.25 V
最小供电电压：4.75 V标称供电电压：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
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 mm
Base Number Matches：1

MAX3261ECJ-T 数据手册

 浏览型号MAX3261ECJ-T的Datasheet PDF文件第2页浏览型号MAX3261ECJ-T的Datasheet PDF文件第3页浏览型号MAX3261ECJ-T的Datasheet PDF文件第4页浏览型号MAX3261ECJ-T的Datasheet PDF文件第5页浏览型号MAX3261ECJ-T的Datasheet PDF文件第6页浏览型号MAX3261ECJ-T的Datasheet PDF文件第7页 
19-0323; Rev 5; 5/01  
Single +5V, Fully Integrated,  
1.25Gbps Laser Diode Driver  
_______________General Description  
____________________________Features  
ꢀ Rise Times Less than 250ps  
The MAX3261 is a complete, easy-to-program, single  
+5V-powered, 1.25Gbps laser diode driver with com-  
plementary enable inputs and automatic power control  
(APC). The MAX3261 accepts differential PECL inputs  
and provides complementary output currents. A tem-  
perature-stabilized reference voltage is provided to  
simplify laser current programming. This allows modu-  
lation current to be programmed up to 30mA and bias  
current to be programmed up to 60mA with two exter-  
nal resistors.  
ꢀ Differential PECL Inputs  
ꢀ Single +5V Supply  
ꢀ Automatic Power Control  
ꢀ Temperature-Compensated Reference Voltage  
ꢀ Complementary Enable Inputs  
Complementary enable inputs allow the MAX3261 to  
interface with open-fiber-control architecture—a feature  
not found in other 1.25Gbps laser diode drivers.  
______________Ordering Information  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
32 TQFP  
An APC circuit is provided to maintain constant laser power  
in transmitters that use a monitor photodiode. Only two  
external components are required to implement the APC  
function.  
MAX3261CCJ  
MAX3261ECJ  
MAX3261E/D  
-40°C to +85°C  
-40°C to +85°C  
32 TQFP  
Dice*  
*Dice are designed to operate over a -40°C to +140°C junction  
temperature (Tj) range. Tested and guaranteed at Tj = +25°C.  
The MAX3261’s fully integrated feature set includes a  
TTL-compatible laser failure indicator and a program-  
mable slow-start circuit to prevent laser damage. The  
slow-start is preset to 50ns and can be extended by  
adding an external capacitor.  
__________Typical Operating Circuit  
________________________Applications  
Laser Diode Transmitters  
+5V  
+5V  
531Mbps and 1062Mbps Fibre Channel  
622Mbps SDH/SONET  
+5V  
Gigabit Ethernet  
V
CC  
A V B  
CC  
OUT+  
VIN+  
__________________Pin Configuration  
PECL  
INPUTS  
VIN-  
TOP VIEW  
GND A  
GND B  
PHOTO-  
DIODE  
LASER  
IPIN  
ENB+ MAX3261  
TO OPEN  
FIBER  
CONTROL  
IBIASOUT  
ENB-  
1
2
3
4
5
6
7
8
GNDA  
GNDA  
IPIN  
SLWSTRT  
GNDB  
VREF2  
24  
23  
22  
21  
20  
19  
18  
17  
IBIASOUT  
IMODSET  
IBIASSET  
IBIASFB  
OSADJ  
+5V  
Z
= 25Ω  
SLWSTRT  
OUT-  
O
2.7k  
MICROSTRIP  
MAX3261  
FAILOUT  
IBIASFB  
IBIASSET  
VREF1  
VREF2  
VREF1  
IPINSET  
FAILOUT  
V B  
CC  
ENB+  
IMODSET  
OSADJ IPINSET  
TQFP  
________________________________________________________________ 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...12

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