Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF HTML

LMS485E Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LMS485E
Description  Low Power RS-485 / RS-422 Differential Bus Transceiver
Download  13 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo 

LMS485E Datasheet(HTML) 4 Page - National Semiconductor (TI)

 
Zoom Inzoom in Zoom Outzoom out
 4 / 13 page
background image
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V
CC (Note 2)
6V
Input Voltage, V
IN (DI, DE, or RE)
−0.3V to V
CC + 0.3V
Voltage Range at Bus Terminals (AB)
−7V to 12V
Receiver Output
−0.3V to V
CC + 0.3V
Package Thermal Impedance,
θ
JA
SOIC
125˚ C/W
DIP
92˚ C/W
Junction Temperature (Note 3)
150˚C
Operating Free-Air Temperature
Range, T
A
Commercial
0˚C to 70˚C
Industrial
−40˚C to 85˚C
Storage Temperature Range
−65˚C to 150˚C
Soldering Information
Infrared or Convection (20 sec.)
235˚C
Lead Temperature Range
+260˚C
ESD Rating (Human Body Model)(Note 4)
Bus Pins
15kV
Other Pins
2kV
ESD Rating (Machine Model)
All Pins
200V
Operating Ratings
Min Nom Max
Supply Voltage, V
CC
4.75
5.0
5.25
V
Voltage at any Bus Terminal
(Separately or Common Mode)
−7
12
V
High-Level Input Voltage, V
IH
(Note 5)
2V
Low-Level Input Voltage, V
IL
(Note 5)
0.8
V
Differential Input Voltage, V
ID
(Note 6)
±12
V
Electrical Characteristics
Over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Driver Section
|V
OD1|
Differential Output Voltage
R =
∞ (Figure 1)
5.25
V
|V
OD2|
Differential Output Voltage
R = 50
Ω (Figure 1) , RS-422
2.0
V
R=27
Ω (Figure 1) , RS-485
1.5
5.0
∆V
OD
Change in Magnitude of
Driver Differential Output
Voltage for Complementary
Output States
R=27
Ω or 50Ω (Figure 1) , (Note 7)
0.2
V
V
OC
Common Mode Output
Voltage
R=27
Ω or 50Ω (Figure 1)
3.0
V
∆V
OC
Change in Magnitude of
Driver Common-Mode Output
Voltage for Complementary
Output States
R=27
Ω or 50Ω (Figure 1), (Note 7)
0.2
V
V
IH
CMOS Input Logic Threshold
High
DE, DI, RE
2.0
V
V
IL
CMOS Input Logic Threshold
Low
DE, DI, RE
0.8
V
I
IN1
Logic Input Current
DE, DI, RE
±2µA
Receiver Section
I
IN2
Input Current (A, B)
DE = 0V, V
CC = 0V or 5.25V
V
IN = 12V
0.25
mA
V
IN = − 7V
−0.2
V
TH
Differential Input Threshold
Voltage
−7V
≤ V
CM
≤ + 12V
−0.2
+0.2
V
∆V
TH
Input Hysteresis
(V
TH+− VTH−)
V
CM = 0
95
mV
V
OH
CMOS High-level Output
Voltage
I
OH = 4 mA, VID = −200 mV
3.5
V
www.national.com
4


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn