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LT1381CS PDF预览

LT1381CS

更新时间: 2024-01-16 00:51:27
品牌 Logo 应用领域
凌特 - Linear 驱动器接口集成电路电容器光电二极管
页数 文件大小 规格书
8页 188K
描述
Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors

LT1381CS 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOP,
针数:16Reach Compliance Code:compliant
风险等级:5.3差分输出:NO
驱动器位数:2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:e3
长度:9.9 mm湿度敏感等级:1
功能数量:2端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
最大接收延迟:600 ns接收器位数:2
座面最大高度:1.75 mm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
最大传输延迟:1300 ns宽度:3.9 mm

LT1381CS 数据手册

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LT1381  
Low Power 5V RS232 Dual  
Driver/Receiver with  
0.1µF Capacitors  
U
DESCRIPTIO  
EATURE  
S
F
The LT®1381 is a dual RS232 driver/receiver pair with  
integral charge pump to generate RS232 voltage levels  
from a single 5V supply. The circuit features rugged  
bipolar design to provide operating fault tolerance and  
ESD protection unmatched by competing CMOS designs.  
Using only 0.1µF external capacitors, the circuit con-  
sumes only 40mW of power and can operate to 120kbaud  
even while driving heavy capacitive loads. New ESD struc-  
tures on the chip allow the LT1381 to survive multiple  
±10kVstrikes,eliminatingtheneedforcostlyTransZorbs®  
on the RS232 line pins. Driver outputs are protected from  
overload and can be shorted to ground or up to ±25V  
without damage. During power-off conditions, driver and  
receiver outputs are in a high impedance state, allowing  
line sharing.  
ESD Protection over ±10kV  
Low Cost  
Uses Small Capacitors: 0.1µF  
CMOS Comparable Low Power: 40mW  
Operates from a Single 5V Supply  
120kBaud Operation for RL = 3k, CL = 2500pF  
250kBaud Operation for RL = 3k, CL = 1000pF  
Rugged Bipolar Design  
Outputs Assume a High Impedance State When  
Powered Down  
Absolutely No Latchup  
Available in Narrow SO Package  
O U  
PPLICATI  
S
A
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  
1
16  
5V INPUT  
+
+
Output Waveforms  
0.1µF  
3
2
V
OUT  
+
+
DRIVER  
OUTPUT  
RL = 3k  
0.1µF  
0.1µF  
LT1381  
4
6
C
L = 2500pF  
V
OUT  
+
0.1µF  
5
11  
14  
RECEIVER  
RS232 OUTPUT  
OUTPUT  
R
LOGIC  
INPUTS  
CL = 50pF  
10  
12  
7
RS232 OUTPUT  
RS232 INPUT  
13  
INPUT  
5k  
5k  
LOGIC  
OUTPUTS  
9
8
S
RS232 INPUT  
LT1381 • TA02  
15  
LT1381 • TA01  
1

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