參數(shù)資料
型號(hào)： LMS1487EINA
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Low Power RS-485 / RS-422 Differential Bus Transceiver
中文描述： LINE TRANSCEIVER, DIP8
封裝： DIP-8
文件頁(yè)數(shù)： 4/13頁(yè)
文件大小： 248K
代理商： LMS1487EINA
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)
Input Voltage, V
IN
(DI, DE, or RE)
Voltage Range at Bus Terminals (AB)
Receiver Output
Package Thermal Impedance,
θ
JA
SOIC
DIP
Junction Temperature (Note 3)
Operating Free-Air Temperature
Range, T
A
Commercial
Industrial
Storage Temperature Range
Soldering Information
Infrared or Convection (20 sec.)
Lead Temperature Range
6V
0.3V to V
CC
+ 0.3V
7V to 12V
0.3V to V
CC
+ 0.3V
125 C/W
92 C/W
150C
0C to 70C
40C to 85C
65C to 150C
235C
+260C
ESD Rating (Human Body Model)(Note 4)
Bus Pins
Other Pins
ESD Rating (Machine Model)
All Pins
15kV
2kV
200V
Operating Ratings
Min Nom Max
4.75
5.0
7
Supply Voltage, V
CC
Voltage at any Bus Terminal
(Separately or Common Mode)
High-Level Input Voltage, V
IH
(Note 5)
Low-Level Input Voltage, V
IL
(Note 5)
Differential Input Voltage, V
ID
(Note 6)
5.25
12
V
V
2
V
0.8
V
±
12
V
Electrical Characteristics
Over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
Symbol
Driver Section
|V
OD1
|
|V
OD2
|
Parameter
Conditions
Min
Typ
Max
Units
Differential Output Voltage
Differential Output Voltage
R =
∞
(
Figure 1
)
R = 50
(
Figure 1
) , RS-422
R = 27
(
Figure 1
) , RS-485
R = 27
or 50
(
Figure 1
) , (Note 7)
5.25
V
V
2.0
1.5
5.0
0.2
V
OD
Change in Magnitude of
Driver Differential Output
Voltage for Complementary
Output States
Common Mode Output
Voltage
Change in Magnitude of
Driver Common-Mode Output
Voltage for Complementary
Output States
CMOS Input Logic Threshold
High
CMOS Input Logic Threshold
Low
Logic Input Current
Receiver Section
I
IN2
Input Current (A, B)
V
V
OC
R = 27
or 50
(
Figure 1
)
3.0
V
V
OC
R = 27
or 50
(
Figure 1
), (Note 7)
0.2
V
V
IH
DE, DI, RE
2.0
V
V
IL
DE, DI, RE
0.8
V
I
IN1
DE, DI, RE
±
2
μA
DE = 0V, V
CC
= 0V or 5.25V
V
IN
= 12V
V
IN
= 7V
7V
≤
V
CM
≤
+ 12V
0.25
mA
0.2
+0.2
V
TH
Differential Input Threshold
Voltage
Input Hysteresis
(V
TH+
V
TH
)
CMOS High-level Output
Voltage
0.2
V
V
TH
V
CM
= 0
95
mV
V
OH
I
OH
= 4 mA, V
ID
= 200 mV
3.5
V
L
www.national.com
4
相關(guān)PDF資料
PDF描述
LMS1487EIMX Low Power RS-485 / RS-422 Differential Bus Transceiver
LMS1487EIM Low Power RS-485 / RS-422 Differential Bus Transceiver
LMS1487ECNA Low Power RS-485 / RS-422 Differential Bus Transceiver
LMS1487ECMX Low Power RS-485 / RS-422 Differential Bus Transceiver
LMS1487 5V Low Power RS-485 / RS-422 Differential Bus Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMS1487IM 制造商:Texas Instruments 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N Rail 制造商:Texas Instruments 功能描述:BUS TRANSCEIVER, 1487, SOIC8, 5V
LMS1487IM 制造商:Texas Instruments 功能描述:BUS TRANSCEIVER 1487 SOIC8 5V
LMS1487IM/NOPB 功能描述:TXRX RS422/485 DIFF BUS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:25 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-PDIP 包裝:管件
LMS1487IMX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:5V Low Power RS-485 / RS-422 Differential Bus Transceiver
LMS1487IMX/NOPB 功能描述:TXRX RS422/485 DIFF BUS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:25 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-PDIP 包裝:管件
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*