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LT1032C PDF预览

LT1032C

更新时间: 2024-11-05 22:55:47
品牌 Logo 应用领域
凌特 - Linear 驱动器
页数 文件大小 规格书
8页 188K
描述
Quad Low Power Line Driver

LT1032C 数据手册

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LT1032  
Quad Low Power  
Line Driver  
U
FEATURES  
DESCRIPTIO  
The LT®1032 is a RS232 and RS423 line driver that  
operates over a ±5V to ±15V range on low supply current  
and can be shut down to zero supply current. Outputs are  
fullyprotectedfromexternallyappliedvoltagesof±30Vby  
bothcurrentandthermallimiting. Sincetheoutputswings  
to within 200mV of the positive supply and 600mV of the  
negative supply, power supply needs are minimized.  
Low Operating Voltage: ±5V to ±15V  
500µA Supply Current  
Zero Supply Current when Shut Down  
Outputs Can Be Driven ±30V  
Thermal Limiting  
Output “Open” when Off (Three-State)  
10mA Output Drive  
Pinout Similar to 1488  
Also included is a strobe pin to force all outputs low  
independent of input or shutdown conditions. Further,  
slew rate can be adjusted with a resistor connected to the  
supply.  
U
APPLICATIO S  
RS232  
Power Supply Inverter  
A major advantage of the LT1032 is the high impedance  
output state when off or powered down.  
Micropower Interface  
Level Translator  
For applications requiring dual or triple RS232 driver/  
receiverdevices,seetheLT1180A(dual),LT1039A(triple)  
or the LT1130A data sheets.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Output Swing vs Output Current  
RS232 Line Driver  
+
V
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
LT1032  
–6V  
INPUT  
6V  
0.2  
V
HIGH  
LOW  
STROBE*  
INPUT  
OUTPUT  
RESPONSE TIME  
CONTROL*  
OUT  
0.4  
OUTPUT  
ON/OFF  
(0V TO 5V)†  
INPUT  
OUTPUT  
GND  
1.0  
0.8  
0.6  
0.4  
0.2  
V
OUT  
INPUT  
8
OUTPUT  
*NO CONNECTION NEEDED WHEN NOT USED  
5V = ON  
LT1032 • TA01  
V
0
2
4
6
8
10  
OUTPUT CURRENT (mA)  
LT1032 • TA02  
1

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