5秒后页面跳转
VSC7940RP PDF预览

VSC7940RP

更新时间: 2024-09-19 22:41:31
品牌 Logo 应用领域
VITESSE 驱动器驱动程序和接口二极管激光二极管接口集成电路功率控制
页数 文件大小 规格书
16页 170K
描述
SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control

VSC7940RP 技术参数

生命周期:Obsolete零件包装代码:QFP
包装说明:TFQFP, TQFP32,.28SQ针数:32
Reach Compliance Code:unknown风险等级:5.68
Is Samacsys:N接口集成电路类型:INTERFACE CIRCUIT
JESD-30 代码:S-PQFP-G32长度:5 mm
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
封装等效代码:TQFP32,.28SQ封装形状:SQUARE
封装形式:FLATPACK, THIN PROFILE, FINE PITCH电源:5 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Display Drivers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
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD宽度:5 mm
Base Number Matches:1

VSC7940RP 数据手册

 浏览型号VSC7940RP的Datasheet PDF文件第2页浏览型号VSC7940RP的Datasheet PDF文件第3页浏览型号VSC7940RP的Datasheet PDF文件第4页浏览型号VSC7940RP的Datasheet PDF文件第5页浏览型号VSC7940RP的Datasheet PDF文件第6页浏览型号VSC7940RP的Datasheet PDF文件第7页 
VITESSE  
SEMICONDUCTOR CORPORATION  
Preliminary Data Sheet  
SONET/SDH 3.125Gb/s  
VSC7940  
Laser Diode Driver with Automatic Power Control  
Features  
Applications  
SONET/SDH at 622Mb/s, 1.244Gb/s,  
2.488Gb/s, 3.125Gb/s  
• Power Supply: 5V ±5%  
• DC-Coupled to Laser Diode  
Full-Speed Fibre Channel (1.062Gb/s)  
• Programmable Modulation Current: 5mA to 100mA  
• Programmable Bias Current: 1mA to 100mA  
• Enable/Disable Control  
• Automatic Optical Average Power Control  
• Modulation and Bias Current Monitors  
General Description  
The VSC7940 is a single 5V supply laser diode driver specially designed for SONET/SDH applications up  
to 3.125Gb/s. External resistors set a wide range of bias and modulation currents for driving the laser. Data and  
clock inputs accept differential PECL signals. The Automatic Power Control (APC) loop maintains a constant  
average optical power over temperature and lifetime. The dominant pole of the APC loop can be controlled with  
an external capacitor. Other features include enable/disable control, programmable slow-start circuit to set laser  
turn-on delay, and failure-monitor output to indicate when the APC loop is unable to maintain the average opti-  
cal power. The VSC7940 is available in die form or in a 32-pin TQFP package.  
Block Diagram  
VCC  
LATCH  
IOUT+  
IOUT-  
CF  
RF  
MUX  
DATA+  
S E T  
D
Q
Q
DATA-  
CLK+  
CLK-  
VCC  
CLR  
BIAS  
VCC  
VCC  
ENABLE  
DISABLE  
MODMON  
BIASMON  
APC  
MD  
FAIL  
1nF  
CAPC  
BIASMAX  
APCSET  
MODSET  
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012  
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com  
Internet: www.vitesse.com  
G52357-0, Rev 3.2  
05/11/01  
Page 1  

与VSC7940RP相关器件

型号 品牌 获取价格 描述 数据表
VSC7940W VITESSE

获取价格

SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control
VSC7940-W VITESSE

获取价格

Interface Circuit, 1.773 X 2.233 MM, DIE-48
VSC7958 VITESSE

获取价格

2.5Gb/s High Speed Limiting Post Amplifier for OC-48/SDH-16 Applications
VSC7958CC VITESSE

获取价格

2.5Gb/s High Speed Limiting Post Amplifier for OC-48/SDH-16 Applications
VSC7958X VITESSE

获取价格

2.5Gb/s High Speed Limiting Post Amplifier for OC-48/SDH-16 Applications
VSC7959 VITESSE

获取价格

3.125Gb/s CML Limiting Amplifier with LOS Detect
VSC7959W VITESSE

获取价格

3.125Gb/s CML Limiting Amplifier with LOS Detect
VSC7959-W VITESSE

获取价格

暂无描述
VSC7959YD VITESSE

获取价格

3.125Gb/s CML Limiting Amplifier with LOS Detect
VSC7959YD-1 MICROSEMI

获取价格

Support Circuit, 1-Func, Bipolar, PDSO16, TSSOP-16