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DS1487MX PDF预览

DS1487MX

更新时间： 2024-02-03 22:55:25
品牌 Logo 应用领域
德州仪器 - TI 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
10页 182K
描述
Low Power RS-485/1/4 Unit Load Multipoint Transceiver 8-SOIC 0 to 70

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DS1487MX 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.14
差分输出：YES驱动器位数：1
高电平输入电流最大值：0.000002 A输入特性：DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-485; TIA-485
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：70 °C最低工作温度：
最小输出摆幅：1.5 V最大输出低电流：0.004 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：235
电源：5 V认证状态：Not Qualified
最大接收延迟：400 ns接收器位数：1
座面最大高度：1.75 mm子类别：Line Driver or Receivers
最大压摆率：0.5 mA最大供电电压：5.25 V
最小供电电压：4.75 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
最大传输延迟：80 ns宽度：3.9 mm
Base Number Matches：1

DS1487MX 数据手册

 浏览型号DS1487MX的Datasheet PDF文件第1页浏览型号DS1487MX的Datasheet PDF文件第3页浏览型号DS1487MX的Datasheet PDF文件第4页浏览型号DS1487MX的Datasheet PDF文件第5页浏览型号DS1487MX的Datasheet PDF文件第6页浏览型号DS1487MX的Datasheet PDF文件第7页 
July 1998  
DS1487  
1
Low Power RS-485 ⁄ Unit Load Multipoint Transceiver  
4
General Description  
Features  
n Meets TIA/EIA RS-485 multipoint standard  
n Allows up to 128 transceivers on the bus (1⁄  
The DS1487 is a low-power transceiver for RS-485 and  
RS-422 communication. The device contains one driver and  
one receiver. The drivers slew rate allows for operation up to  
2.0 Mbps (see Applications Information section). The trans-  
4
U.L.)  
n Guaranteed full load output voltage (VOD3  
n Low quiescent current: 200 µA typ  
n −7V to +12V common-mode input voltage range  
n TRI-STATE outputs on driver and receiver  
n AC performance:  
— Driver transition time: 25 ns typ  
— Driver propagation delay: 40 ns typ  
— Driver skew: 1 ns typ  
)
ceiver presents 1⁄  
unit loading to the RS-485 bus allowing up  
4
to 128 nodes to be connected together without the use of re-  
peaters.  
The transceiver draws 200 µA of supply current when un-  
loaded or fully loaded with the driver disabled and operates  
from a single +5V supply.  
The driver is short-circuit current limited and is protected  
against excessive power dissipation by thermal shutdown  
circuitry that places the driver outputs into TRI-STATE®  
(High Impedance state) under fault conditions. The driver  
guarantees a minimum of 1.5V differential output voltage  
with maximum loading across the common mode range  
(VOD3).  
— Receiver propagation delay: 200 ns typ  
— Receiver skew: 20 ns typ  
n Half-duplex flow through pinout  
n Operates from a single 5V supply  
n Current-limiting and thermal shutdown for driver  
overload protection  
n Pin and functional compatible with MAX1487  
The receiver has a failsafe feature that guarantees a  
logic-high output if the input is open circuit.  
The DS1487 is available in surface mount and DIP pack-  
ages.  
Connection and Logic Diagram  
Truth Table  
DRIVER SECTION  
DIP and SOIC  
RE  
DE  
DI  
A
B
(Note 1)  
X
X
X
H
H
L
H
L
H
L
L
H
Z
X
Z
RECEIVER SECTION  
RE  
DE  
A-B  
RO  
DS012920-1  
(Note 1)  
*Note: Non Terminated, Open Input only  
L
L
L
L
X
L
≥+0.2V  
≤−0.2V  
X
H
L
###  
Order Number  
DS1487N  
Temp. Range  
0˚C to +70˚C  
0˚C to +70˚C  
Package/  
DIP/N08E  
SOP/M08A  
H
L
Z
H
OPEN (Note 1)  
DS1487M  
X = indeterminate  
Z = TRI-STATE  
Note 1: Non Terminated, Open Input only  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
© 2000 National Semiconductor Corporation  
DS012920  
www.national.com  
1234567...10

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DS1487MX 替代型号

型号 品牌 替代类型 描述 数据表
DS1487MX TI

当前型号

 Low Power RS-485/1/4 Unit Load Multipoint Transceiver 8-SOIC 0 to 70
SN65LBC176QDRQ1 TI

类似代替

 汽车类差动总线收发器 | D | 8 | -40 to 125
SN65HVD485ED TI

类似代替

 HALF-DUPLEX RS-485 TRANSCEIVER

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