參數(shù)資料
型號(hào)： DS96172
廠商： National Semiconductor Corporation
英文描述： RS-485/RS-422 Quad Differential Line Drivers(RS-485/RS-422 四差分線驅(qū)動(dòng)器)
中文描述： RS-485/RS-422收發(fā)四路差分線路驅(qū)動(dòng)器（RS-485/RS-422收發(fā)四差分線驅(qū)動(dòng)器）
文件頁數(shù)： 2/6頁
文件大小： 209K
代理商： DS96172
Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Molded DIP
65C to +150C
Operating Temperature Range
0C to +70C
Lead Temperature
Molded DIP (soldering, 10
sec.)
265C
Supply Voltage
7V
Enable Input Voltage
5.5V
Maximum Power Dissipation
(Note 1)
25C
N-Molded Package
1.98W
Recommended Operating
Conditions
Min
Typ
Max
Units
Supply Voltage (V
CC)
4.75
5
5.25
V
Common Mode Output
Voltage (V
OC)
7
+12
V
Output Current HIGH (I
OH)
60
mA
Output Current LOW (I
OL)60
mA
Operating Temperature (T
A)
0
25
70
C
Note 1: Derate molded DIP package 16mW/C above 25C.
Electrical Characteristics (Notes 3, 4)
over recommended temperature and supply voltage ranges, unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
IH
Input Voltage HIGH
2
V
IL
Input Voltage LOW
0.8
V
OH
Output Voltage HIGH
I
OH = 20 mA
3.1
V
OL
Output Voltage LOW
I
OL =20mA
0.8
V
IC
Input Clamp Voltage
I
I = 18 mA
1.5
V
|V
OD1|
Differential Output Voltage
I
O =0mA
6
V
|V
OD2|
Differential Output Voltage
R
L =54, Figure 1
1.5
2
V
R
L = 100, Figure 1
2
2.3
V
|V
OD|
Change in Magnitude of Differential
R
L =54 or 100, Figure 1
±0.2
V
Output Voltage (Note 5)
V
OC
Common Mode Output Voltage (Note 6)
R
L =54, Figure 1
3V
|V
OC|
Change in Magnitude of Common Mode
±0.2
V
Output Voltage (Note 5)
I
O
Output Current with Power Off
V
CC = 0V, VO = 7.0V to 12V
±100
A
I
OZ
High Impedance State Output Current
V
O = 7.0V to 12V
±50
±200
A
I
IH
Input Current HIGH
V
I = 2.7V
20
A
I
IL
Input Current LOW
V
I = 0.5V
100
A
I
OS
Short Circuit Output Current
V
O = 7.0V
250
(Note 7)
V
O = 0V
150
mA
V
O =VCC
150
V
O = 12V
250
I
CC
Supply Current (All Drivers)
No Load
Outputs Enabled
50
70
mA
Output Disabled
50
60
Switching Characteristics
V
CC = 5V, TA = 25C
Symbol
Parameter
Conditions
Min
Typ
Max
Units
t
DD
Differential Output Delay Time
R
L =60, Figure 2
15
25
ns
t
TD
Differential Output Transition Time
15
25
ns
t
PLH
Propagation Delay Time,
R
L =27, Figure 3
12
20
ns
Low-to-High Level Output
t
PHL
Propagation Delay Time,
12
20
ns
High-to-Low Level Output
t
PZH
Output Enable Time to High Level
R
L = 110, Figure 4
30
45
ns
t
PZL
Output Enable Time to Low Level
R
L = 110, Figure 5
30
45
ns
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