LT1039MJ Linear Technology Corporation, LT1039MJ Datasheet

LT1039MJ

Manufacturer Part Number

LT1039MJ

Description

CDIP-16

Manufacturer

Linear Technology Corporation

Datasheets

1.LT1039ACSW-PBF.pdf (12 pages)

2.LT1039MJ16.pdf (12 pages)

3.LT1039MJ16.pdf (12 pages)

Specifications of LT1039MJ

Date_code

04+

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APPLICATIO S

FEATURES

TYPICAL APPLICATIO

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

Triple Driver/Receiver

No Supply Current in Shutdown

30k Input Impedance

Meets All RS232 Specifications

16-Pin Version—Pin Compatible with MC145406

Available in SO Package

15kV ESD: LT1039A

RS232 Interface

Terminals

Modems

30V Input Range

*BIAS PIN USED

TO KEEP THE

RECEIVER ON

WHILE IN SHUTDOWN

RS232 OUT

RS232 IN

BIAS*

– 12V

12V

–

30k

LT1039

GND

1039 TA01

ON/OFF

LOGIC

DESCRIPTIO

The LT

cludes shutdown. Each receiver will accept up to 30V

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

drivers accept TTL logic inputs and output RS232 voltage

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 and immune to latchup.

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

of the part is shut down.

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

without shutdown or BIAS pin functions.

For applications requiring operation from a single 5V

supply, see the LT1080/LT1081, LT1180A/LT1181A and

LT1130A data sheets. For applications requiring 15kV

ESD, see the LT1039A.

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

1039 is a triple RS232 driver/receiver that in-

– 0.5

1.5

1.0

0.5

–

RS232 Driver/Receiver

Driver Output Swing

OUTPUT CURRENT (mA)

NEGATIVE

LT1039/LT1039-16

with Shutdown

POSITIVE

1039 TA02

1039fd

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