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LT1281AI PDF预览

LT1281AI

更新时间： 2024-01-01 08:10:00
品牌 Logo 应用领域
凌特 - Linear 驱动器电容器
页数 文件大小 规格书
8页 254K
描述
Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors

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中文翻译

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LT1281AI 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, SOP16,.4
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.67其他特性：EXTERNAL CHARGE PUMP
差分输出：NO驱动器位数：2
高电平输入电流最大值：0.00002 A输入特性：SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-232
JESD-30 代码：R-PDSO-G16JESD-609代码：e0
长度：10.3 mm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
输出特性：TOTEM-POLE最大输出低电流：0.0016 A
输出极性：INVERTED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
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：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.5 mm
Base Number Matches：1

LT1281AI 数据手册

 浏览型号LT1281AI的Datasheet PDF文件第2页浏览型号LT1281AI的Datasheet PDF文件第3页浏览型号LT1281AI的Datasheet PDF文件第4页浏览型号LT1281AI的Datasheet PDF文件第5页浏览型号LT1281AI的Datasheet PDF文件第6页浏览型号LT1281AI的Datasheet PDF文件第7页 
LT1280A/LT1281A  
Low Power 5V RS232  
Dual Driver/Receiver with  
0.1µF Capacitors  
U
DESCRIPTIO  
EATURE  
S
F
The LT®1280A/LT1281A are dual RS232 driver/receiver  
pairs with integral charge pump to generate RS232 volt-  
age levels from a single 5V supply. These circuits feature  
rugged bipolar design to provide operating fault tolerance  
and ESD protection unmatched by competing CMOS  
designs. Using only 0.1µF external capacitors, these cir-  
cuits consume only 40mW of power, and can operate to  
120kbaud even while driving heavy capacitive loads. New  
ESDstructuresonthechipallowtheLT1280A/LT1281Ato  
survive multiple ±10kV strikes, eliminating the need for  
costly TransZorbs® on the RS232 line pins. The LT1280A/  
LT1281A 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 over ±10kV  
Uses Small Capacitors: 0.1µF  
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  
Available in SO Package  
O U  
PPLICATI  
S
A
The LT1281A is available in 16-pin DIP and SO packages.  
The LT1280A is supplied in 18-pin DIP and SO packages  
for applications which require shutdown.  
■
■
■
■
■
Portable Computers  
Battery-Powered Systems  
Power Supply Generator  
Terminals  
, 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  
5V INPUT  
+
+
Output Waveforms  
0.1µF  
0.1µF  
4
3
V
OUT  
+
+
0.1µF  
0.1µF  
LT1280A  
DRIVER  
OUTPUT  
5
7
–
V
OUT  
+
R
L = 3k  
C
L = 2500pF  
6
12  
15  
RS232 OUTPUT  
RECEIVER  
LOGIC  
INPUTS  
OUTPUT  
R
11  
13  
8
CL = 50pF  
RS232 OUTPUT  
RS232 INPUT  
14  
INPUT  
5k  
5k  
LOGIC  
OUTPUTS  
10  
18  
9
RS232 INPUT  
LT1280A • TA02  
16  
ON/OFF  
LT1280A • TA01  
1
12345678

中文翻译

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