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参数资料
| 型号： | LMS202IMX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | 5V Single Supply TIA/EIA-232 Dual Transceivers |
| 中文描述： | DUAL LINE TRANSCEIVER, PDSO16 |
| 封装： | SOIC-16 |
| 文件页数： | 3/6页 |
| 文件大小： | 104K |
| 代理商： | LMS202IMX |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
S
0.3V to 6V
V+
(V
S 0.3V) to + 14V
V
+0.3V to 14V
Driver Input Voltage, T
IN
0.3V to (V+ +0.3V)
Receiver Input Voltage, R
IN
± 30V
Driver Output Voltage T
O
(V 0.3V to (V+ + 0.3V)
Receiver Output Voltage R
O
0.3 to (V
S + 0.3)
Short Circuit Duration, T
O
Continuous
ESD Rating
Human Body Model (Note 2)
2kV
Machine Model (Note 6)
200V
Soldering Information
Infrared or Convection
235C
(20sec.)
Junction Temperature
150C
Storage Temperature Range
65C to +150C
Operating Ratings
Supply Voltage V
S
4.5V to 5.5V
Ambient Temperature Range, T
A
Commercial (C)
0C to +70C
Industrial (I)
40C to +85C
Package Thermal Resistance
SO
71C/W
WSO
55C/W
Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified C1 = C2 = C3 = C4 = Cbp = 0.1F
Symbol
Parameter
Conditions
Min
Typ
Max
Units
DC Characteristics
I
S
Supply Current
No Load, T
A = 25C
1
7
mA
Logic
I
INPUT
Input Leakage Current
T
IN = 0VtoVS
±10
A
V
THL
Input Logic Theshold Low
T
IN
0.8
V
THH
Input Logic Theshold High
T
IN
2.0
V
OL
TTL/CMOS Output Voltage
Low
R
OUT,IOUT = 3.2mA
0.4
V
OH
TTL/CMOS Output Voltage
High
R
OUT,IOUT = 1.0mA
3.5
V
S 0.1
V
RS-232 Receiver Inputs
V
RI
Receiver Input Voltage
Range
30
+30
V
RTHL
Receiver Input Theshold
Low
V
S = 5V, TA = 25C
0.8
1.4
V
RTHH
Receiver Input Theshold
High
V
S = 5V, TA = 25C
2
2.4
V
HYST
Receiver Input Hysteresis
V
S = 5V
0.2
0.6
1.0
V
R
I
Receiver Input Resistance
V
S = 5V, TA = 25C
3
5
7
k
RS-232 Transmitter Outputs
V
O
Transmitter Output Voltage
Swing
All transmitters loaded with 3k
to GND
±5
±8V
R
O
Output Resistance
V
S =V+=V=0V,
V
O = ± 2V
300
I
OS
Output Short Circuit Current
±11
±60
mA
Timing Characteristics
DR
Maximum Data Rate
C
L = 50pF to 1000pF,
R
L =3k
to 7k
230
kbps
T
RPLH
T
RPHL
Receiver Propagation Delay C
L = 150pF
0.08
1
s
T
DPLH
T
DPHL
Transmitter Propagation
Delay
R
L =3k
,C
L = 2500pF
All transmitters loaded
2.4
s
LMS202
www.national.com
3
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