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VSC7940-W PDF预览

VSC7940-W

更新时间: 2024-01-27 08:48:07
品牌 Logo 应用领域
VITESSE 驱动器二极管激光二极管功率控制
页数 文件大小 规格书
16页 170K
描述
Interface Circuit, 1.773 X 2.233 MM, DIE-48

VSC7940-W 技术参数

生命周期:Obsolete零件包装代码:DIE
包装说明:DIE,针数:48
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:R-XUUC-N48功能数量:1
端子数量:48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:DIE封装形状:RECTANGULAR
封装形式:UNCASED CHIP认证状态:Not Qualified
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:NO LEAD
端子位置:UPPERBase Number Matches:1

VSC7940-W 数据手册

 浏览型号VSC7940-W的Datasheet PDF文件第1页浏览型号VSC7940-W的Datasheet PDF文件第3页浏览型号VSC7940-W的Datasheet PDF文件第4页浏览型号VSC7940-W的Datasheet PDF文件第5页浏览型号VSC7940-W的Datasheet PDF文件第6页浏览型号VSC7940-W的Datasheet PDF文件第7页 
VITESSE  
SEMICONDUCTOR CORPORATION  
Preliminary Data Sheet  
SONET/SDH 3.125Gb/s  
Laser Diode Driver with Automatic Power Control  
VSC7940  
Electrical Characteristics  
Table 1: AC Specifications  
AC specifications are guaranteed by design and characterization. Typical values are for 5V operation.  
Symbol  
tSU  
Parameter  
Input Latch Setup Time  
Input Latch Hold Time  
Enable/Start-up Delay  
Output Rise Time  
Min  
100  
100  
Typ  
Max  
Units  
ps  
Conditions  
LATCH=high  
tH  
ps  
LATCH=high  
250  
TBD  
TBD  
10  
ns  
tR  
TBD  
TBD  
50  
ps  
20% to 80%  
20% to 80%  
See Notes 1, 2  
tF  
Output Fall Time  
ps  
PWD  
Pulse Width Distortion  
ps  
CIDMAX Maximum Consecutive Identical Digits  
tJ Jitter Generation  
80  
bits  
Jitter BW=12kHz to 20MHz,  
0-1 pattern.  
7
20  
psp-p  
NOTES: (1) Measured with 622Mb/s 0-1 pattern, LATCH=high. (2) PWD = (wider pulse - narrower pulse) / 2).  
Table 2: DC Specifications  
Symbol  
Parameter  
Power Supply Voltage  
Min  
Typ  
Max Units  
Conditions  
VSS  
4.75  
5.0  
5.25  
V
R
MODSET=7.3kΩ  
RBIASMAX=4.8kΩ  
BIAS and IMOD excluded, VCC=5V  
ICC  
Power Supply Current  
Bias Current Range  
TBD  
45  
mA  
I
IBIAS  
1
100  
100  
mA  
µA  
Voltage at BIAS pin=(VCC-1.6)  
ENABLE=low or  
DISABLE=high(1)  
IBIAS-OFF Bias Off Current  
230  
900  
±15  
APC open loop. IBIAS=100mA  
APC open loop. IBIAS=1mA  
Refers to part-to-part variation  
SBIAS  
Bias Current Stability  
ppm/°C  
Bias Current Absolute Accuracy  
%
V
VRMD  
IMD  
Monitor Diode Reverse Bias Voltage  
Monitor Diode Reverse Current Range  
1.5  
18  
1000  
480  
µA  
-480  
-50  
90  
IMD=1mA(2)  
IMD=18µA(2)  
Monitor Diode Bias Setpoint Stability  
ppm/°C  
Monitor Diode Bias Absolute Accuracy  
Modulation Current Range  
-15  
5
15  
%
Refers to part-to-part variation  
IMOD  
100  
mA  
ENABLE=low or  
DISABLE=high(1)  
IMOD-OFF Modulation Off Current  
Modulation Current Absolute Accuracy  
200  
µA  
%
±15  
See Note 2  
© VITESSE SEMICONDUCTOR CORPORATION 741 Calle Plano Camarillo, CA 93012  
Tel: (800) VITESSE FAX: (805) 987-5896 Email: prodinfo@vitesse.com  
Internet: www.vitesse.com  
Page 2  
G52357-0, Rev 3.2  
05/11/01  

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