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LT1039C

更新时间： 2024-11-30 22:34:11

品牌	Logo	应用领域
凌特 - Linear		驱动器
页数	文件大小	规格书
12页	171K
描述
RS232 Driver/Receiver with Shutdown

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中文翻译

获取价格

数据手册

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LT1039C 数据手册

LT1039/LT1039-16

RS232 Driver/Receiver

with Shutdown

FEATURES

DESCRIPTIO

The LT^®1039 is a triple RS232 driver/receiver that in-

cludes shutdown. Each receiver will accept up to ±30V

input and can drive either TTL or CMOS logic. The RS232

driversacceptTTLlogicinputsandoutputRS232voltage

levels. The outputs are fully protected against overload

and can be shorted to ground or up to ±30V without

damage to the drivers. Additionally, when the system is

shut down or power is off, the outputs are in a high

impedance state allowing data line sharing. Bipolar cir-

cuitry makes this driver/receiver exceptionally rugged

against overloads or ESD damage.

■

Operates from ±5V to ±15V Supplies

■

Fully Protected Against Overload

■

Outputs Can Be Driven ±30V Without Damage

■

Three-State Outputs; Outputs Open When Off

Bipolar Circuit—No Latchup

±30V Input Range

Triple Driver/Receiver

No Supply Current in Shutdown

30kΩ Input Impedance

Meets All RS232 Specifications

16-Pin Version—Pin Compatible with MC145406

Available in SO Package

ABIASpinallowsonereceivertobekeptonwhiletherest

of the part is shut down.

15kV ESD: LT1039A

The LT1039 is also available in the 16-pin version,

without shutdown or BIAS pin functions.

APPLICATIO S

For applications requiring operation from a single 5V

supply, see the LT1080A/LT1081A, LT1180A/LT1181A

and LT1130A data sheets. For applications requiring

15kV ESD, see the LT1039A.

■

RS232 Interface

Terminals

■

Modems

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATIO

Driver Output Swing

12V

BIAS*

LT1039

30k

ON/OFF

LOGIC

RS232 IN

POSITIVE

–0.5

RS232 OUT

RS232 IN

LOGIC

1.5

NEGATIVE

30k

1.0

0.5

LOGIC

RS232 OUT

RS232 IN

–

*BIAS PIN USED

TO KEEP THE

RS232 OUT

–12V

LOGIC

–

RECEIVER ON

OUTPUT CURRENT (mA)

GND

WHILE IN SHUTDOWN

1039 TA02

1039 TA01

12 3 4 5 6 7...12

中文翻译

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