Datasheet > 驱动程序和接口 > 线路驱动器或接收器> LT1039AMJ

LT1039AMJ

更新时间： 2024-02-17 07:54:20

品牌	Logo	应用领域
凌特 - Linear		驱动器
页数	文件大小	规格书
12页	276K
描述
Triple 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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LT1039AMJ 数据手册

LT1039A/LT1039A-16

Triple RS232 Driver/Receiver

with Shutdown

FEATURES

DESCRIPTION

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

includes 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. On-chip ESD

protection eliminates the need for external protection

devices.

■

On-Chip ESD Protection:

±15kV Human Body Model

±15kV IEC-1000-4-2 Air Gap Test**

±8kV IEC-1000-4-2 Contact Test

■

125kBd Operation with 3kΩ/2500pF Load

■

250kBd Operation with 3kΩ/1000pF Load

■

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

■

A bias pin allows one receiver to be kept on while the rest

of the part is shut down.

■

No Supply Current in Shutdown

The LT1039A is also available in the 16-pin version,

without shutdown or bias pin functions.

■

30kΩ Input Impedance

■

Meets All RS232 Specifications

For applications requiring operation from a single 5V

supply, see the LT1180A/LT1181A and LT1130A data

sheets.

■

16-Pin Version—Pin Compatible with MC145406

Available in SO Package

■

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

APPLICATIONS

■

RS232 Interface

Terminals

■

Modems

TYPICAL APPLICATION

12V

BIAS*

Driver Output Swing

LT1039A

30k

ON/OFF

LOGIC

RS232 IN

–0.4

–0.8

–1.2

–1.6

–2.0

50Ω**

RS232 OUT

LOGIC

RS232 IN

30k

*BIAS PIN USED

TO KEEP THE

50Ω**

LOGIC

RECEIVER ON

1.2

0.8

0.4

WHILE IN SHUTDOWN

RS232 IN

**50Ω RESISTORS

MAY BE REQUIRED

FOR IEC-1000-4-2

ESD PROTECTION

DEPENDING UPON

PC BOARD AND

50Ω**

LOGIC

–

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

OUTPUT CURRENT (mA)

1039A TA02

–

GND

–12V

1039A TA01

CONNECTOR LEAD LENGTH

12 3 4 5 6 7...12

中文翻译

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与LT1039AMJ相关器件

型号	品牌	获取价格	描述	数据表
LT1039AMJ#PBF	Linear	获取价格	IC LINE TRANSCEIVER, Line Driver or Receiver
LT1039AMJ#TRPBF	Linear	获取价格	IC LINE TRANSCEIVER, Line Driver or Receiver
LT1039AMJ/883	Linear	获取价格	IC TRIPLE LINE TRANSCEIVER, CDIP18, 0.300 INCH, HERMETIC SEALED, CERDIP-18, Line Driver or
LT1039AMJ16	Linear	获取价格	Triple RS232 Driver/Receiver with Shutdown
LT1039AMJ16/883	Linear	获取价格	IC TRIPLE LINE TRANSCEIVER, CDIP16, 0.300 INCH, HERMETIC SEALED, CERDIP-16, Line Driver or
LT1039C	Linear	获取价格	RS232 Driver/Receiver with Shutdown
LT1039CD	TI	获取价格	LINE TRANSCEIVER, PDSO18
LT1039CDR	TI	获取价格	LINE TRANSCEIVER, PDSO18
LT1039CDW	TI	获取价格	Triple EIA-232 Line Transceiver 18-SOIC
LT1039CDW-00	TI	获取价格	LINE TRANSCEIVER, PDSO18

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