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DS481TM/NOPB PDF预览

DS481TM/NOPB

更新时间： 2024-02-01 19:58:56
品牌 Logo 应用领域
美国国家半导体 - NSC 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
8页 541K
描述
IC LINE TRANSCEIVER, PDSO8, PLASTIC, SOP-8, Line Driver or Receiver

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中文翻译

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DS481TM/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：SOP, SOP8,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.16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：STANDARD接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422; EIA-485; TIA-485JESD-30 代码：R-PDSO-G8
JESD-609代码：e3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：85 °C
最低工作温度：-40 °C最小输出摆幅：1.5 V
最大输出低电流：0.004 A输出极性：COMPLEMENTARY
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）：260
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标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
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：40
最大传输延迟：80 ns宽度：3.9 mm
Base Number Matches：1

DS481TM/NOPB 数据手册

 浏览型号DS481TM/NOPB的Datasheet PDF文件第2页浏览型号DS481TM/NOPB的Datasheet PDF文件第3页浏览型号DS481TM/NOPB的Datasheet PDF文件第4页浏览型号DS481TM/NOPB的Datasheet PDF文件第5页浏览型号DS481TM/NOPB的Datasheet PDF文件第6页浏览型号DS481TM/NOPB的Datasheet PDF文件第7页 
July 2000  
DS481  
Low Power RS-485/RS-422 Multipoint Transceiver with  
Sleep Mode  
General Description  
Features  
n Meets TIA/EIA RS-485 multipoint standard  
n Sleep mode reduces ICC to 0.2 µA  
The DS481 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).  
n Guaranteed full load output voltage (V  
n Low quiescent current: 200 µA typ  
)
OD3  
The transceiver draws 200 µA of supply current when un-  
loaded or 0.2 µA when in the automatic sleep mode. Sleep  
mode is activated by inactivity on the enables (DE and RE  
(Note 1)). Holding DE =L and RE (Note 1)=H for greater than  
600 ns will enable the sleep mode. The DS481 operates  
from a single +5V supply.  
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  
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 Allows up to 64 tranceivers on the bus  
n Current-limiting and thermal shutdown for driver  
overload protection  
n Industrial temperature range operation  
n Pin and functional compatible with MAX481C and  
MAX481E  
The receiver has a failsafe feature that guarantees a logic-  
high output if the input is open circuit.  
The DS481 is available in a surface mount package and is  
characterized for Industrial temperature range operation.  
Connection and Logic Diagram  
Truth Table  
DRIVER SECTION  
RE (Note  
DE  
DI  
A
B
1)  
X
X
X
H
H
L
H
L
H
L
L
H
X
Z
Z (Note 2)  
RECEIVER SECTION  
01291901  
RE (Note  
DE  
A-B  
RO  
*Note: Non Terminated, Open Input only  
1)  
L
L
L
X
L
≥+0.2V  
≤−0.2V  
X
H
Order Number  
Temp. Range  
Package/###  
L
L
Z (Note 2)  
H
DS481TM  
−40˚C to +85˚C  
SOP/M08A  
H
L
OPEN (Note 1)  
X = indeterminate  
Z = TRI-STATE  
Note 1: Non Terminated, Open Input only  
>
Note 2: Device enters sleep mode if enable conditions are held  
DE = L and RE (Note 1) = H.  
600 ns,  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS012919  
www.national.com  
12345678

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