LX5250 View Datasheet(PDF) - Microsemi Corporation
Part Name
Description
MFG CO.
LX5250 Datasheet PDF : 8 Pages
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LX5250/5252
TM
®
9-Line Multimode SCSI Terminator
PRODUCTION DATA SHEET
RECOMMENDED MAX OPERATING CONDITIONS
Parameter
VTerm
LVD
SE
Signal Line Voltage
Disconnect Input Voltage
Operating Junction Temperature
Symbol
VTERM
TJ
LX5250/52
Min
Typ
2.9
3.5
0
0
0
Max
5.25
5.25
5.0
VTERM
125
Units
V
V
V
°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C ≤ TA ≤ 70°C, VTerm = 4.75V.
For the LX5250, DISCONNECT = L; for the LX5252, DISCONNECT = H.
Parameter
` LVD Terminator Section
Symbol
Test Conditions
LX5250/52 Units
Min Typ Max
All term lines open
35 45 mA
VTerm Supply Current
LVDICC LX5250: DISCONNECT > 2.0V;
LX5252: DISCONNECT < 0.8V
15 35 µA
Common Mode Voltage
VCM
Offset Voltage
VOS Open circuit between (-) and (+) terminals
Differential Terminator Impedance ZO VOUT Differential = -1V to +1V
Common Mode Impedance
Output Capacitance (Note 1)
ZCM 0.5V to 2V
LX5250: DISCONNECT > 2.0V;
CO
LX5252: DISCONNECT < 0.8V
Mode Change Delay
` Diffsense Section
tDF Diffsense = 1.4V to 0V
1.125 1.25 1.375 V
100 112 125 mV
100 105 110 Ω
110 150 195 Ω
3 pF
100 115 300 ms
Diffsense Output Voltage
Diffsense Output Source Current
Diffsense Sink Current
` Single Ended Section
VTerm Supply Current
Termination Output High Voltage
Output Current
Sink Current
Output Capacitance (Note 1)
Output Leakage
Ground Driver Impedance
VDIFF
IDIFF
ISINK(DIFF)
VDIFF = 0V
VDIFF = 2.75V
SEICC
VO
IO
ISINK
CO
IDDQ
IHP
ZG
All tem lines = Open, Master/Slave = 0V
All tem lines = 0.2V, Master/Slave = 0V
LX5250: DISCONNECT > 2.0V;
LX5252: DISCONNECT < 0.8V
VOUT = 0.2V
VOUT = 4V, All lines
DISC > 2.0V
LX5250: DISCONNECT > 2.0V;
LX5252: DISCONNECT < 0.8V,
VLINE = 0 to 4V, TA = 25°
LX5250: DISCONNECT > 2.0V;
LX5252: DISCONNECT < 0.8V,
VTERM = Open, VLINE = 2.7V, TA = 25°
I = 1mA
1.2 1.3 1.4 V
5
15 mA
20
200 µA
55 75 mA
250 290 mA
15 35 µA
2.5 2.85 3.1 V
18.5 22.5 24 mA
40 65
mA
3 pF
2 µA
1
µA
100 Ω
Copyright © 2002
Rev. 1.2b, 2005-08-29
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
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