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Datasheet > 驱动程序和接口 > 线路驱动器或接收器> LT1781ISW#PBF
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LT1781ISW#PBF

更新时间： 2024-11-21 13:09:39
品牌 Logo 应用领域
凌特 - Linear 驱动器
页数 文件大小 规格书
12页 279K
描述
LT1781 - Low Power 5V RS232 Dual Driver/Receiver with ±15kV ESD Protection; Package: SO; Pins: 16; Temperature Range: -40°C to 85°C

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中文翻译

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LT1781ISW#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP, SOP16,.4
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.8差分输出：NO
驱动器位数：2高电平输入电流最大值：0.00002 A
接口集成电路类型：LINE TRANSCEIVER接口标准：GENERAL PURPOSE
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：10.3 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
最小输出摆幅：10 V最大输出低电流：0.0016 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP16,.4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：接收器位数：2
座面最大高度：2.65 mm子类别：Line Driver or Receivers
最大压摆率：14 mA标称供电电压：5 V
表面贴装：YES技术：BIPOLAR
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：30
宽度：7.5 mmBase Number Matches：1

LT1781ISW#PBF 数据手册

 浏览型号LT1781ISW#PBF的Datasheet PDF文件第2页浏览型号LT1781ISW#PBF的Datasheet PDF文件第3页浏览型号LT1781ISW#PBF的Datasheet PDF文件第4页浏览型号LT1781ISW#PBF的Datasheet PDF文件第5页浏览型号LT1781ISW#PBF的Datasheet PDF文件第6页浏览型号LT1781ISW#PBF的Datasheet PDF文件第7页 
LT1780/LT1781  
Low Power 5V RS232  
Dual Driver/Receiver with  
±15kV ESD Protection  
U
DESCRIPTIO  
EATURE  
S
F
TheLT®1780/LT1781aredualRS232driver/receiverpairs  
with integral charge pump to generate RS232 voltage  
levels from a single 5V supply. Using only 0.1µF external  
capacitors, these circuits consume only 40mW of power,  
and can operate to 120kbaud even while driving heavy  
capacitiveloads. NewESDstructuresonthechipallowthe  
LT1780/LT1781 to survive ±15kV air gap and ±8kV con-  
tact ESD tests per IEC 1000-4-2, eliminating the need for  
costly TransZorbs® on the RS232 line pins. The LT1780/  
LT1781 are fully compliant with EIA RS232 standards.  
Driver outputs are protected from overload, and can be  
shorted to ground or up to ±30V without damage. During  
SHUTDOWN or power-off conditions, driver and receiver  
outputs are in a high impedance state, allowing line  
sharing.  
■
10mA Max Supply Current  
■
ESD Protection to IEC 1000-4-2 Level 4  
±15kV Air Gap,  
±8kV Contact  
■
■
■
■
■
■
■
■
Uses Small Capacitors: 0.1  
µF  
120kBaud Operation for RL = 3k, CL = 2500pF  
250kBaud Operation for RL = 3k, CL = 1000pF  
Outputs Withstand ±30V Without Damage  
CMOS Comparable Low Power: 40mW  
Operates from a Single 5V Supply  
Rugged Bipolar Design  
Outputs Assume a High Impedance State When Off  
or Powered Down  
Meets All RS232 Specifications  
■
■
■
Available With or Without Shutdown  
Absolutely No Latch-up  
The LT1780/LT1781 are direct upgrades to the LT1180A/  
LT1181A,LT1280A/LT1281AandLT1381forapplications  
which require the utmost ESD protection.  
O U  
PPLICATI  
S
A
■
■
■
■
■
Portable Computers  
Battery-Powered Systems  
Power Supply Generator  
Terminals  
The LT1781 is available in 16-pin DIP,SO and SW pack-  
ages. The LT1780 is supplied in 18-pin DIP and SW  
packages for applications which require SHUTDOWN.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
TransZorb is a registered trademark of General Instruments, GSI.  
Modems  
U
O
TYPICAL APPLICATI  
2
17  
Output Waveforms  
5V INPUT  
+
0.1µF  
0.1µF  
4
3
V
OUT  
0.1µF  
0.1µF  
DRIVER  
OUTPUT  
RL = 3k  
LT1780  
5
7
–
V
OUT  
C
L = 2500pF  
6
12  
15  
RECEIVER  
RS232 OUTPUT  
OUTPUT  
R
LOGIC  
INPUTS  
CL = 50pF  
11  
13  
8
RS232 OUTPUT  
RS232 INPUT  
14  
INPUT  
5k  
5k  
LOGIC  
OUTPUTS  
10  
18  
9
RS232 INPUT  
1780/81 • TA02  
16  
ON/OFF  
1780/81 • TA01  
1
1234567...12

中文翻译

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LT1781ISW#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT1781ISW#TRPBF Linear

完全替代

 LT1781 - Low Power 5V RS232 Dual Driver/Recei
LT1781IN#PBF Linear

完全替代

 LT1781 - Low Power 5V RS232 Dual Driver/Recei
LT1781CS#PBF Linear

类似代替

 LT1781 - Low Power 5V RS232 Dual Driver/Recei

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