Datasheet > 508669A

508669A

更新时间： 2024-11-28 23:21:39

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
12页	289K
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IC SMD

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数据手册

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508669A 数据手册

LT1180A/LT1181A

Low Power 5V RS232

Dual Driver/Receiver with

0.1µF Capacitors

DESCRIPTIO

EATURE

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 Package

O U

PPLICATI

■

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 APPLICATI

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

12 3 4 5 6 7...12

中文翻译

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与508669A相关器件

型号	品牌	获取价格	描述	数据表
50868-1006F	AMPHENOL	获取价格	Board Connector, 18 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle,
50868-1006H	AMPHENOL	获取价格	Board Connector, 18 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle
50868-1007F	AMPHENOL	获取价格	Board Connector, 21 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle
50868-1007H	AMPHENOL	获取价格	Board Connector, 21 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle,
50868-1008F	AMPHENOL	获取价格	Board Connector, 24 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle
50868-1009E	AMPHENOL	获取价格	Board Connector, 27 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle
50868-1009F	AMPHENOL	获取价格	Board Connector, 27 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle,
50868-1009H	AMPHENOL	获取价格	Board Connector, 27 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle,
50868-1010E	AMPHENOL	获取价格	Board Connector, 30 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle,
50868-1010F	AMPHENOL	获取价格	Board Connector, 30 Contact(s), 3 Row(s), Female, Straight, Solder Terminal, Receptacle,

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