Datasheet > LT1181A_15

LT1181A_15

更新时间： 2024-11-24 01:22:39

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	207K
描述
Low Power 5V RS232 Dual Driver/Receiver with 0.1F Capacitors

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LT1181A_15 数据手册

LT1180A/LT1181A

Low Power 5V RS232

Dual Driver/Receiver with

0.1µF Capacitors

DESCRIPTIO

FEATURES

ESD Protection over ±10kV

The LT^®1180A/LT1181A are dual RS232 driver/receiver

pairs with integral charge pump to generate RS232 volt-

age levels from a single 5V supply. These circuits feature

rugged bipolar design to provide operating fault tolerance

and ESD protection unmatched by competing CMOS

designs. Using only 0.1µF external capacitors, these cir-

cuits consume only 40mW of power, and can operate to

120k baud even while driving heavy capacitive loads. New

ESDstructuresonthechipallowtheLT1180A/LT1181Ato

survive multiple ±10kV strikes, eliminating the need for

costly TransZorbs^®on the RS232 line pins. The LT1180A/

LT1181A are fully compliant with EIA RS232 standards.

Driver outputs are protected from overload, and can be

shorted to ground or up to ±30V without damage. During

shutdown or power-off conditions, driver and receiver

outputs are in a high impedance state, allowing line

sharing.

■

Uses Small Capacitors: 0.1µF

■

120kBaud Operation for R_L= 3k, C_L= 2500pF

■

250kBaud Operation for R_L= 3k, C_L= 1000pF

■

Outputs Withstand ±30V Without Damage

■

CMOS Comparable Low Power: 40mW

■

Operates from a Single 5V Supply

Rugged Bipolar Design

■

Outputs Assume a High Impedance State When Off

or Powered Down

Meets All RS232 Specifications

Available With or Without Shutdown

Absolutely No Latch-up

^{Available in SO P}U^ackage

■

APPLICATIO S

■

Portable Computers

Battery-Powered Systems

Power Supply Generator

Terminals

The LT1181A is available in 16-pin DIP and SO packages.

The LT1180A is supplied in 18-pin DIP and SO packages

for applications which require shutdown.

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

TransZorb is a registered trademark of General Instruments, GSI

■

Modems

TYPICAL APPLICATIO

Output Waveforms

5V INPUT

0.1µF

OUT

0.1µF

LT1180A

DRIVER

OUTPUT

–

R_L= 3k

OUT

C_L= 2500pF

0.1µF

RS232 OUTPUT

RECEIVER

LOGIC

INPUTS

OUTPUT

C_L= 50pF

RS232 OUTPUT

RS232 INPUT

INPUT

LOGIC

OUTPUTS

RS232 INPUT

LT1180A • TA02

ON/OFF

LT1180A • TA01

11801afb

12 3 4 5 6 7...12

中文翻译

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与LT1181A_15相关器件

型号	品牌	获取价格	描述	数据表
LT1181AC	Linear	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
LT1181ACN	Linear	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
LT1181ACN	Linear Systems	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
LT1181ACS	ETC	获取价格	Transceiver
LT1181ACSW	Linear	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
LT1181ACSW	Linear Systems	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
LT1181ACSW#TR	Linear	获取价格	LT1181A - Low Power 5V RS232 Dual Driver/Receiver with 0.1µF Capacitors; Package:
LT1181ACSW#TRPBF	Linear	获取价格	LT1181A - Low Power 5V RS232 Dual Driver/Receiver with 0.1µF Capacitors; Package:
LT1181AI	Linear	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
LT1181AIN	Linear	获取价格	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors

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