78P2352-IELR/F View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
'78P2352-IELR/F' PDF : 42 Pages View PDF
ELECTRICAL SPECIFICATIONS (continued)
CMI MODE LOSS OF SIGNAL CONDITION
PARAMETER
CONDITION
LOS threshold
LOS timing
Combination of cable loss at 78MHz
and flat loss
Nominal value
Maximum
cable loss
78P2352
Dual Channel
OC-3/ STM1-E/ E4 LIU
MIN TYP MAX UNIT
-35
-19
-15
dB
10
110
255
UI
15dB
35dB
3 dB
Loss of Signal must be cleared
Tolerance range
LOS can be detected or cleared
Loss of Signal must be declared
APPLICATION INFORMATION
EXTERNAL COMPONENTS:
COMPONENT
Receiver Termination Resistor, CMI Mode
Transmitter Termination Resistor, CMI Mode
PIN(S)
RXxP
RXxN
CMIxP
CMIxN
VALUE
75
75
UNITS
Ω
Ω
(CMI) TRANSFORMER SPECIFICATIONS:
COMPONENT
Turns Ratio for the Receiver
Turns Ratio for the Transmitter (center-tapped)
Suggested Manufacturers: Halo, Tamura, MiniCircuits, Belfuse
VALUE
UNITS
1:1
1:1CT
THERMAL INFORMATION:
PACKAGE
Standard 128-pin JEDEC LQFP (78P2352-IGT)
(Recommended) Thernally enhanced
Exposed Pad 128-pin JEDEC LQFP (78P2352-IEL)
CONDITIONS
No forced air;
4-layer JEDEC test board
No forced air;
4-layer JEDEC test board;
Die attach pad soldered to PCB
TOLERANCE
1%
1%
TOLERANCE
ΘJA ( ˚C/W)
46
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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