參數(shù)資料
型號(hào)： LX5242CPWT
英文描述： Terminator
中文描述： 終結(jié)者
文件頁(yè)數(shù)： 3/7頁(yè)
文件大小： 261K
代理商： LX5242CPWT
M
U L T I M O D E
SCSI T
E R M I N AT O R
LX5241/5242/5243
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
3
Copyright 200
1
Rev. 1.
5
02
/
13
P
R O D U C T I O N
D
A T A
S
H E E T
UltraMAX
Termpwr Supply Current
SE I
CC
All term lines = Open, Master/Slave = 0V
All term lines = 0.2V, Master/Slave = 0V
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
Terminator Output High Volt
Output Current
Sink Current
Output Capacitance
Leakage Current
V
O
I
O
I
SINK
C
O
I
LEAK
V
OUT
= 0.2V
V
OUT
= 4V, All lines
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
OUT
= 0 to 4V, T
A
= 25°C
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
TERM
= Open, V
LINE
= 2.7V, T
A
= 25°C
Termpwr Voltage
LVD
SE
V
TERM
Signal Line Voltage
Disconnect Input Voltage
Operating Virtual Junction Temperature Range
LX5241C / 5242C / 5243C
Note 2. Range over which the device is functional.
3.0
3.5
0
0
5.25
5.25
5.0
V
TERM
V
V
V
V
0
70
°C
R E C O M M E N D E D O P E R AT I N G C O N D I T I O N S
(Note 2)
Parameter
Symbol
Units
Recommended Operating Conditions
Min.
Typ.
Max.
E L E C T R I C A L C H A R A C T E R I S T I C S
(Unless otherwise specified, these specifications apply over the operating ambient temperature range of 0°C
≤
T
≤
70°C, TermPwr = 4.75V.
For the LX5241/5243 DISCONNECT = L, for the LX5242 DISCONNECT = H. Low duty cycle pulse testing techniques are used which maintains junction and
case temperatures equal to the ambient temperature.)
Parameter
Symbol
Test Conditions
Units
LX5241 / 5242 / 5243
Min.
Typ.
Max.
25
15
1.25
112
105
200
2.5
30
35
mA
μA
V
mV
pF
μA
1.125
100
100
100
1.375
125
110
300
2
1
μA
115
ms
LVD Terminator Section
TermPwr Supply Current
LVD I
CC
All term lines = Open
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
Common Mode Voltage
Offset Voltage
Differential Terminator Impedance
Common Mode Impedance
Output Capacitance
Output Leakage
V
CM
V
FSB
Z
D
Z
CM
C
O
I
LEAK
Open circuit between - and + (see Note 3)
V
OUT
Differential = -1V to 1V
0V to 2.5V
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
LINE
= 0 to 4V, T
A
= 25°C
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
V
TERM
= 0V, V
LINE
= 2.7V
DIFFSENSE = 1.4V to 0V
Mode Change Delay
DIFFSENSE Section
t
DF
7
10
226
35
mA
mA
μA
V
mA
mA
pF
μA
214
15
2.85
23
65
2.5
2.6
21
45
24
2
1
μA
Single-Ended Termination Section
Note 3. Open circuit failsafe voltage.
DIFFSENSE Output Voltage
DIFFSENSE Output Source Current
DIFFSENSE Sink Current
DIFFSENSE Output Leakage
V
DIFF
I
DIFF
I
SINK(DIFF)
I
LEAK(DIFF)
V
DIFF
= 0V
V
DIFF
= 2.75V
LX5241/5243: DISCONNECT > 2.0V, LX5242: DISCONNECT < 0.8V,
T
A
= 25°C
1.2
5.0
1.3
1.4
15.0
200
10
V
mA
μA
μA
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