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78P2352 参数 Datasheet PDF下载

78P2352图片预览
型号: 78P2352
PDF下载: 下载PDF文件 查看货源
内容描述: 双通道OC - 3 / STM1 - E / E4 LIU [Dual Channel OC-3/ STM1-E/ E4 LIU]
分类和应用:
文件页数/大小: 42 页 / 754 K
品牌: TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
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78P2352  
Dual Channel  
OC-3/ STM1-E/ E4 LIU  
ELECTRICAL SPECIFICATIONS (continued)  
CMI MODE LOSS OF SIGNAL CONDITION  
PARAMETER  
CONDITION  
MIN  
TYP  
MAX  
UNIT  
Combination of cable loss at 78MHz  
and flat loss  
LOS threshold  
LOS timing  
-35  
10  
-19  
-15  
dB  
UI  
110  
255  
Nominal value  
Maximum  
cable loss  
3 dB  
Loss of Signal must be cleared  
15dB  
35dB  
Tolerance range  
LOS can be detected or cleared  
Loss of Signal must be declared  
APPLICATION INFORMATION  
EXTERNAL COMPONENTS:  
COMPONENT  
PIN(S)  
VALUE  
UNITS  
TOLERANCE  
RXxP  
RXxN  
CMIxP  
CMIxN  
Receiver Termination Resistor, CMI Mode  
75  
1%  
Transmitter Termination Resistor, CMI Mode  
75  
1%  
(CMI) TRANSFORMER SPECIFICATIONS:  
COMPONENT  
Turns Ratio for the Receiver  
VALUE  
UNITS  
1:1  
TOLERANCE  
Turns Ratio for the Transmitter (center-tapped)  
1:1CT  
Suggested Manufacturers: Halo, Tamura, MiniCircuits, Belfuse  
THERMAL INFORMATION:  
PACKAGE  
CONDITIONS  
Θ
JA ( ˚C/W)  
No forced air;  
4-layer JEDEC test board  
46  
Standard 128-pin JEDEC LQFP (78P2352-IGT)  
No forced air;  
4-layer JEDEC test board;  
Die attach pad soldered to PCB  
(Recommended) Thernally enhanced  
Exposed Pad 128-pin JEDEC LQFP (78P2352-IEL)  
24.8  
SCHEMATICS  
For reference schematics, layout guidelines, recommended transformer part numbers, etc. please check Teridian  
Semiconductor's website or contact your local sales representative for the latest application note(s) and/or demo  
board manuals.  
Page: 38 of 42  
2006 Teridian Semiconductor Corporation  
Rev. 2.4  
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