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VSC7903B PDF预览

VSC7903B

更新时间: 2024-01-28 01:31:34
品牌 Logo 应用领域
VITESSE ATM异步传输模式电信电信集成电路
页数 文件大小 规格书
4页 32K
描述
Support Circuit, 1-Func, GAAS, DIE-9

VSC7903B 技术参数

生命周期:Transferred零件包装代码:DIE
包装说明:DIE, DIE OR CHIP针数:9
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.44应用程序:SONET;SDH
JESD-30 代码:R-XUUC-N9功能数量:1
端子数量:9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封装等效代码:DIE OR CHIP
封装形状:RECTANGULAR封装形式:UNCASED CHIP
电源:5 V认证状态:Not Qualified
子类别:Other Telecom ICs最大压摆率:0.045 mA
标称供电电压:5 V表面贴装:YES
技术:GAAS电信集成电路类型:ATM/SONET/SDH SUPPORT CIRCUIT
温度等级:INDUSTRIAL端子形式:NO LEAD
端子位置:UPPERBase Number Matches:1

VSC7903B 数据手册

 浏览型号VSC7903B的Datasheet PDF文件第2页浏览型号VSC7903B的Datasheet PDF文件第3页浏览型号VSC7903B的Datasheet PDF文件第4页 
VITESSE  
SEMICONDUCTOR CORPORATION  
Preliminary Data Sheet  
SONET/SDH Transimpedance Amplifier  
VSC7903  
Features  
• Integrated AGC  
• SDH/SONET 155Mb/s Compatible  
• Accepts a Wide Variety of Optical Detectors  
• Industrial Temperature Range (-40 to +85 °C)  
• Outputs Internally Terminated to 50 Ω  
• Single 5V Power Supply  
• Single Ended or Differential Outputs  
• Low Noise  
General Description  
The VSC7903 Transimpedance Amplifier provides a highly integrated solution for converting the current  
produced by a photodiode into a differential output voltage. The typical application of these devices is in a  
front-end receiver for a fiber-optic communication channel. The benefits of Vitesse Semiconductor’s Gallium  
Arsenide H-GaAs process are fully utilized to provide very high bandwidth and low noise. Parts are available in  
die form.  
The VSC7903 Transimpedance Amplifier is typically used with long-wavelength optical detectors. The  
amplifier includes an integrated AGC function to sense a wide range of input currents. AGC is accomplished by  
modifying the transimpedance of the amplifier. The AGC loop time constant can be changed using an off-chip  
capacitor. The outputs are internally terminated and can float if unused.  
VSC7903 Block Diagram  
+5V  
VDD  
CX  
AGC  
RFB  
RAGC  
CAGC  
PAD  
IN  
-
+
NPAD  
CIN  
IIN  
+
VOFF  
1.9V  
-
50  
50  
DETECTOR  
EQUIVALENT  
CIRCUIT  
GND  
G52173-0, Rev. 3.0  
11/18/97  
VITESSE SEMICONDUCTOR CORPORATION  
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896  
Page 1  

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