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LT1342CG#PBF PDF预览

LT1342CG#PBF

更新时间： 2024-01-05 00:39:38
品牌 Logo 应用领域
亚德诺 - ADI 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 216K
描述
5V RS232 Transceiver with 3V Logic Interface

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中文翻译

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LT1342CG#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP,
针数：28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：8.1其他特性：5 RECEIVERS ACTIVE UNDER SHUTDOWN; EXTERNAL CHARGE PUMP
差分输出：NO驱动器位数：3
输入特性：SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-232JESD-30 代码：R-PDSO-G28
JESD-609代码：e3长度：10.2 mm
湿度敏感等级：1功能数量：3
端子数量：28最高工作温度：70 °C
最低工作温度：输出特性：3-STATE
输出极性：INVERTED封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified最大接收延迟：3000 ns
接收器位数：5座面最大高度：2 mm
标称供电电压：3 V表面贴装：YES
技术：BIPOLAR温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 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：5.3 mmBase Number Matches：1

LT1342CG#PBF 数据手册

 浏览型号LT1342CG#PBF的Datasheet PDF文件第2页浏览型号LT1342CG#PBF的Datasheet PDF文件第3页浏览型号LT1342CG#PBF的Datasheet PDF文件第4页浏览型号LT1342CG#PBF的Datasheet PDF文件第5页浏览型号LT1342CG#PBF的Datasheet PDF文件第6页浏览型号LT1342CG#PBF的Datasheet PDF文件第7页 
LT1342  
5V RS232 Transceiver with  
3V Logic Interface  
U
DESCRIPTIO  
EATURE  
S
F
The LT®1342 is an advanced low power three-driver, five-  
receiver RS232 transceiver. The LT1342 operates from a  
5V supply and a 3V logic supply. Receiver outputs can  
interface directly to 3V logic circuits. Included on the chip  
isashutdownpinforreducingsupplycurrenttonearzero.  
All receivers and drivers assume high impedance states  
during shutdown.  
■
■
■
■
■
■
■
■
■
■
■
■
■
ESD Protection Over ±10kV  
3V Logic Interface  
Uses Small Capacitors: 0.1µF, 0.2µF  
1µA Supply Current in Shutdown  
Low Power Driver Disable Operating Mode  
Pin Compatible with LT1137A  
120kBaud Operation for RL = 3k, CL = 2500pF  
250kBaud Operation for RL = 3k, CL = 1000pF  
CMOS Comparable Low Power: 60mW  
Operates from a 5V Supply and 3V Logic Supply  
Easy PC Layout: Flowthrough Architecture  
Rugged Bipolar Design  
The driver disable function provides additional control of  
operating mode. When driver disable is high the charge  
pump and drivers turn off. Receivers continue to operate  
during driver disable.  
New ESD structures on the chip allow the LT1342 to  
survive multiple ±10kV strikes, eliminating the need for  
costly TransZorbs® on the RS232 line pins.  
Outputs Assume a High Impedance State When  
Off or Powered Down  
Absolutely No Latchup  
■
The LT1342 is fully compliant with all EIA RS232 specifi-  
cations and operates in excess of 120kbaud even driving  
heavy capacitive loads.  
O U  
PPLICATI  
S
A
■
Notebook Computers  
Palmtop Computers  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
TransZorb is a registered trademark of General Instruments, GSI.  
■
U
O
TYPICAL APPLICATI  
Output Waveforms  
+
–
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V
V
RECEIVER  
OUTPUT  
0.1µF  
0.1µF  
5V V  
CC  
2 × 0.1µF  
V
L = 3V  
3
LT1342  
CL = 50pF  
2 × 0.1µF  
4
DRIVER 1 IN  
RX1 OUT  
DRIVER 2 IN  
RX2 OUT  
RX3 OUT  
RX4 OUT  
DRIVER 3 IN  
RX5 OUT  
GND  
5
DRIVER 1 OUT  
RX1 IN  
DRIVER  
6
R
OUTPUT  
RL = 3k  
7
DRIVER 2 OUT  
RX2 IN  
C
L = 2500pF  
TO 3V LOGIC  
8
TO LINE  
9
RX3 IN  
10  
11  
12  
13  
14  
RX4 IN  
DRIVER 3 OUT  
RX5 IN  
INPUT  
ON/OFF  
DRIVER DISABLE  
LT1342 • TA02  
3V V  
NC  
L
LT1342 • TA01  
1
12345678

中文翻译

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