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LT1140ACSW#TR PDF预览

LT1140ACSW#TR

更新时间： 2024-11-23 13:09:35
品牌 Logo 应用领域
凌特 - Linear 驱动器
页数 文件大小 规格书
12页 200K
描述
LT1140A - Advanced Low Power 5V RS232 Drivers/Receivers with Small Capacitors (Includes LT1130 thru LT1141); Package: SO; Pins: 24; Temperature Range: 0°C to 70°C

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中文翻译

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LT1140ACSW#TR 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP,
针数：24Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.31差分输出：NO
驱动器位数：5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-G24JESD-609代码：e0
长度：15.395 mm湿度敏感等级：1
标称负供电电压：-12 V功能数量：1
端子数量：24最高工作温度：70 °C
最低工作温度：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）：235
认证状态：Not Qualified最大接收延迟：600 ns
接收器位数：3座面最大高度：2.642 mm
标称供电电压：5 V电源电压1-Nom：12 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：20
最大传输延迟：1300 ns宽度：7.493 mm
Base Number Matches：1

LT1140ACSW#TR 数据手册

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LT1130A/LT1140A Series  
Advanced Low Power  
5V RS232 Drivers/Receivers  
with Small Capacitors  
U
DESCRIPTIO  
FEATURES  
The LT®1130A/LT1140A series of RS232 drivers/receiv-  
ersfeaturesspecialbipolarconstructiontechniqueswhich  
protect the drivers and receivers beyond the fault condi-  
tions stipulated for RS232. Driver outputs and receiver  
inputs can be shorted to ±30V without damaging the  
device or the power supply generator. In addition, the  
RS232I/Opinsareresilienttomultiple±10kVESDstrikes.  
An advanced driver output stage operates up to 250kbaud  
while driving heavy capacitive loads. Supply current is  
typically 12mA, competitive with CMOS devices.  
■
ESD Protection over ±10kV  
(±15kV IEC-1000-4-2 for LT1133A, LT1137A  
and LT1141A)  
■
Uses Small Capacitors: 0.1µF, 0.2µF  
■
1µA Supply Current in SHUTDOWN  
■
120kBaud Operation for RL = 3k, CL = 2500pF  
■
250kBaud Operation for RL = 3k, CL = 1000pF  
■
CMOS Comparable Low Power  
■
Easy PC Layout: Flowthrough Architecture  
■
Rugged Bipolar Design: Absolutely No Latchup  
■
Outputs Assume a High Impedance State When Off  
Several members of the series include flexible operating  
mode controls. The DRIVER DISABLE pin disables the  
drivers and the charge pump, the ON/OFF pin shuts down  
all circuitry. While shut down, the drivers and receivers  
assume high impedance output states.  
or Powered Down  
■
Improved Protection: RS232 I/O Lines Can Be Forced  
to ±30V Without Damage  
■
Output Overvoltage Does Not Force Current Back  
into Supplies  
Available in SO and SSOP Packages  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
■
U
TYPICAL APPLICATIO  
Basic Operation  
Output Waveforms  
+
–
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V
V
RECEIVER  
OUTPUT  
CL = 50pF  
0.1µF  
0.1µF  
5V V  
0.1µF  
× 2  
CC  
3
LT1137A  
0.1µF  
× 2  
4
DRIVER IN  
RX OUT  
DRIVER IN  
RX OUT  
RX OUT  
RX OUT  
DRIVER IN  
RX OUT  
GND  
5
DRIVER OUT  
RX IN  
6
DRIVER  
R
OUTPUT  
7
DRIVER OUT  
RX IN  
RL = 3k  
CL = 2500pF  
TO LOGIC  
8
TO LINE  
9
RX IN  
10  
11  
12  
13  
14  
RX IN  
DRIVER OUT  
RX IN  
INPUT  
ON/OFF = 5V  
DRIVER DISABLE  
LT1130A • TA02  
1130A • TA01  
LT1136A 4-Driver/5-Receiver RS232 Transceiver w/Shutdown  
LT1137A 3-Driver/5-Receiver RS232 Transceiver w/Shutdown  
LT1138A 5-Driver/3-Receiver RS232 Transceiver w/Shutdown  
LT1139A 4-Driver/4-Receiver RS232 Transceiver w/Shutdown  
LT1140A5-Driver/3-ReceiverRS232Transceiverw/oChargePump  
LT1141A3-Driver/5-ReceiverRS232Transceiverw/oChargePump  
LT1130A 5-Driver/5-Receiver RS232 Transceiver  
LT1131A 5-Driver/4-Receiver RS232 Transceiver w/Shutdown  
LT1132A 5-Driver/3-Receiver RS232 Transceiver  
LT1133A 3-Driver/5-Receiver RS232 Transceiver  
LT1134A 4-Driver/4-Receiver RS232 Transceiver  
LT1135A5-Driver/3-ReceiverRS232Transceiverw/oChargePump  
1
1234567...12

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