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LTC1337CNW PDF预览

LTC1337CNW

更新时间: 2024-02-13 19:04:33
品牌 Logo 应用领域
凌特 - Linear 线路驱动器或接收器驱动程序和接口
页数 文件大小 规格书
8页 124K
描述
5V Low Power RS232 3-Driver/5-Receiver Transceiver

LTC1337CNW 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,
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.41Is Samacsys:N
其他特性: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-232
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:17.9 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:
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:5
座面最大高度:2.65 mm标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL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:3000 ns宽度:7.5 mm
Base Number Matches:1

LTC1337CNW 数据手册

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LTC1337  
5V Low Power RS232  
3-Driver/5-Receiver Transceiver  
U
FEATURES  
DESCRIPTIO  
The LTC®1337 is a 3-driver/5-receiver RS232 transceiver  
with very low supply current. In the no load condition, the  
supply current is only 300µA. The charge pump only  
requires four 0.1µF capacitors and can supply up to 12mA  
of extra current to power external circuitry.  
Low Supply Current: 300µA  
ESD Protection: Over ±10kV  
1µA Supply Current in Shutdown  
Operates from a Single 5V Supply  
Uses Small Capacitors: 0.1µF  
Operates to 120k Baud  
In Shutdown mode, the supply current is further reduced  
to 1µA. All RS232 outputs assume a high impedance state  
in Shutdown and with the power off.  
Three-State Outputs Are High Impedance When Off  
Output Overvoltage Does Not Force Current Back into  
Supplies  
The LTC1337 is fully compliant with all data rate and  
overvoltage RS232 specifications. The transceiver can  
operate up to 120k baud with a 1000pF//3kload. Both  
driver outputs and receiver inputs can be forced to ±25V  
without damage, and can survive multiple ±10kV ESD  
strikes.  
RS232 I/O Lines Can Be Forced to ±25V without  
Damage  
Pin Compatible with LT®1137A and LT1237  
Flowthrough Architecture  
U
APPLICATIO S  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Notebook Computers  
Palmtop Computers  
U
TYPICAL APPLICATIO  
3-Drivers/5-Receivers with Shutdown  
Supply Current  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
600  
500  
400  
300  
200  
100  
0
+
V
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V
V
LTC1337  
C1  
0.1µF  
C4  
0.1µF  
CC  
C3  
3
0.1µF  
C2  
0.1µF  
4
DRIVER 1 IN  
RX1 OUT  
DRIVER 2 IN  
RX2 OUT  
RX3 OUT  
RX4 OUT  
DRIVER 3 IN  
RX5 OUT  
GND  
QUIESCENT  
CURRENT  
5
DRIVER 1 OUT  
RX1 IN  
6
7
DRIVER 2 OUT  
RX2 IN  
8
SHUTDOWN  
CURRENT  
9
RX3 IN  
10  
11  
12  
13  
14  
RX4 IN  
DRIVER 3 OUT  
RX5 IN  
0
20  
40  
60  
80  
–20  
TEMPERATURE (°C)  
ON/OFF  
TEST CONDITION:  
= 5V, ALL DRIVER INPUTS TIED TO V  
V
CC  
CC  
1337 TA01  
1337 TA02  
1337fa  
1

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